#287C63

A color in the Cyan, Emerald family

#287c63 is a color in the Cyan, Emerald family: RGB(40, 124, 99), HSL(162°, 51%, 32%), CMYK(68%, 0%, 20%, 51%). Closest named color: teal. Contrast is 5.06:1 on white and 4.15:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#287c63
RGBrgb(40 124 99)
RGB (legacy)rgb(40, 124, 99)
RGB %rgb(16% 49% 39%)
HSLhsl(162 51% 32%)
HSV / HSBhsv(162, 68%, 49%)
HWBhwb(162 16% 51%)
CMYKcmyk(68%, 0%, 20%, 51%)
CIELAB (D50)lab(46.55 -31.05 5.99)
LCHlch(46.55 31.62 169.07)
OKLaboklab(0.529 -0.088 0.0163)
OKLCHoklch(0.529 0.0895 169.5)
Decimal2653283

Properties

Color ToneCyan, Emerald
Closest named colorteal ΔE 4.2
Closest web-safe color#336666
Hue162°
Saturation (HSL / HSV)51% / 68%
Lightness (HSL)32%
Brightness or Value (HSV)49%
Luminance (Rec.601 / Rec.709)38% / 41%
Relative luminance (WCAG)0.1577
Red / Green / Blue40 / 124 / 99

WCAG 2.2 Contrast Ratio

On White (#ffffff)
5.06:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Fail
On Black (#000000)
4.15:1
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 74.6 / -27.1 · As background with white / black text: Lc -80 / 29.4

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: #287c63;
  --color-brand-oklch: oklch(52.9% 0.0895 169.5);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(40 124 99 / 50%); }
/* Tailwind CSS */
<div class="bg-[#287c63] text-[#287c63] border-[#287c63]">