#287C93

A color in the Cyan, Emerald family

#287c93 is a color in the Cyan, Emerald family: RGB(40, 124, 147), HSL(193°, 57%, 37%), CMYK(73%, 16%, 0%, 42%). Closest named color: teal. Contrast is 4.78:1 on white and 4.39:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#287c93
RGBrgb(40 124 147)
RGB (legacy)rgb(40, 124, 147)
RGB %rgb(16% 49% 58%)
HSLhsl(193 57% 37%)
HSV / HSBhsv(193, 73%, 58%)
HWBhwb(193 16% 42%)
CMYKcmyk(73%, 16%, 0%, 42%)
CIELAB (D50)lab(47.87 -19.82 -20.19)
LCHlch(47.87 28.29 225.54)
OKLaboklab(0.5468 -0.0656 -0.0549)
OKLCHoklch(0.5468 0.0855 219.94)
Decimal2653331

Properties

Color ToneCyan, Emerald
Closest named colorteal ΔE 4
Closest web-safe color#336699
Hue193°
Saturation (HSL / HSV)57% / 73%
Lightness (HSL)37%
Brightness or Value (HSV)58%
Luminance (Rec.601 / Rec.709)40% / 42%
Relative luminance (WCAG)0.1697
Red / Green / Blue40 / 124 / 147

WCAG 2.2 Contrast Ratio

On White (#ffffff)
4.78:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Fail
On Black (#000000)
4.39:1
AA Normal (4.5:1) · FailAA Large (3:1) · PassAAA Normal (7:1) · Fail
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 72.9 / -28.8 · As background with white / black text: Lc -78.3 / 31.2

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: #287c93;
  --color-brand-oklch: oklch(54.68% 0.0855 219.94);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(40 124 147 / 50%); }
/* Tailwind CSS */
<div class="bg-[#287c93] text-[#287c93] border-[#287c93]">