#91C8FF

A color in the Blue, Sky, Navy family

#91c8ff is a color in the Blue, Sky, Navy family: RGB(145, 200, 255), HSL(210°, 100%, 78%), CMYK(43%, 22%, 0%, 0%). Closest named color: lightskyblue. Contrast is 1.76:1 on white and 11.91:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#91c8ff
RGBrgb(145 200 255)
RGB (legacy)rgb(145, 200, 255)
RGB %rgb(57% 78% 100%)
HSLhsl(210 100% 78%)
HSV / HSBhsv(210, 43%, 100%)
HWBhwb(210 57% 0%)
CMYKcmyk(43%, 22%, 0%, 0%)
CIELAB (D50)lab(78.33 -7.86 -33.16)
LCHlch(78.33 34.08 256.67)
OKLaboklab(0.8151 -0.0346 -0.0905)
OKLCHoklch(0.8151 0.0969 249.09)
Decimal9554175

Properties

Color ToneBlue, Sky, Navy
Closest named colorlightskyblue ΔE 2.1
Closest web-safe color#99ccff
Hue210°
Saturation (HSL / HSV)100% / 43%
Lightness (HSL)78%
Brightness or Value (HSV)100%
Luminance (Rec.601 / Rec.709)74% / 75%
Relative luminance (WCAG)0.5455
Red / Green / Blue145 / 200 / 255

WCAG 2.2 Contrast Ratio

On White (#ffffff)
1.76:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
11.91:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Pass
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 32.2 / -70.4 · As background with white / black text: Lc -36.2 / 71.6

Lightness Scale (OKLCH 50–950)

Eleven steps that change only perceived lightness while keeping hue and chroma — ready to use as design-system color tokens.

Tints (mixed with white)

Shades (mixed with black)

Color Harmonies

Color Vision Deficiency Simulation

Estimated appearance of this color for people with color vision deficiencies (Machado 2009).

Similar Named Colors

Use in CSS

:root {
  --color-brand: #91c8ff;
  --color-brand-oklch: oklch(81.51% 0.0969 249.09);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(145 200 255 / 50%); }
/* Tailwind CSS */
<div class="bg-[#91c8ff] text-[#91c8ff] border-[#91c8ff]">