#558DFD

A color in the Blue, Sky, Navy family

#558dfd is a color in the Blue, Sky, Navy family: RGB(85, 141, 253), HSL(220°, 98%, 66%), CMYK(66%, 44%, 0%, 1%). Closest named color: dodgerblue. Contrast is 3.17:1 on white and 6.61:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#558dfd
RGBrgb(85 141 253)
RGB (legacy)rgb(85, 141, 253)
RGB %rgb(33% 55% 99%)
HSLhsl(220 98% 66%)
HSV / HSBhsv(220, 66%, 99%)
HWBhwb(220 33% 1%)
CMYKcmyk(66%, 44%, 0%, 1%)
CIELAB (D50)lab(59.04 8.73 -62.49)
LCHlch(59.04 63.1 277.95)
OKLaboklab(0.6603 -0.0228 -0.1753)
OKLCHoklch(0.6603 0.1767 262.58)
Decimal5606909

Properties

Color ToneBlue, Sky, Navy
Closest named colordodgerblue ΔE 3.4
Closest web-safe color#6699ff
Hue220°
Saturation (HSL / HSV)98% / 66%
Lightness (HSL)66%
Brightness or Value (HSV)99%
Luminance (Rec.601 / Rec.709)54% / 54%
Relative luminance (WCAG)0.2807
Red / Green / Blue85 / 141 / 253

WCAG 2.2 Contrast Ratio

On White (#ffffff)
3.17:1
AA Normal (4.5:1) · FailAA Large (3:1) · PassAAA Normal (7:1) · Fail
On Black (#000000)
6.61:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Fail
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 58.6 / -43.2 · As background with white / black text: Lc -64 / 45.5

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: #558dfd;
  --color-brand-oklch: oklch(66.03% 0.1767 262.58);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(85 141 253 / 50%); }
/* Tailwind CSS */
<div class="bg-[#558dfd] text-[#558dfd] border-[#558dfd]">