#288A63#288A63

#288A63 is a mid, moderate teal. Relative luminance 0.195; OKLCH L 56.7% C 0.109 H 162.4°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#288A63
RGB	rgb(40, 138, 99)
HSL	hsl(156, 55%, 35%)
HSV	hsv(156, 71%, 54%)
CMYK	cmyk(71%, 0%, 28.3%, 45.9%)
CIE-LAB	lab(51.30, -37.76, 12.91)
CIE-LCH	lch(51.30, 39.91, 161.13°)
OKLab	oklab(56.7% -0.1034 0.0329)
OKLCH	oklch(56.7% 0.109 162.4)
XYZ	xyz(12.2144, 19.5276, 14.9274)
Luminance	0.1953 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A63 #8A284F

analogous

#288A32 #288A63 #28808A

triadic

#288A63 #63288A #8A6328

tetradic

#288A63 #32288A #8A284F #808A28

square

#288A63 #32288A #8A284F #808A28

split-complementary

#288A63 #8A2880 #8A3228

monochromatic

#0C2B1F #1A5B41 #288A63 #36B985 #5DD0A2

Accessibility & contrast

On white

4.28

#288A63 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#288A63 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A63

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A63	#FFFFFF	#000000	##000000
##288A63	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#888061

Deuteranopia (green-blind)

#7B7666

Tritanopia (blue-blind)

#008A7F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288a63;
/* rgb */ color: rgb(40, 138, 99);
/* oklch */ color: oklch(56.7% 0.109 162.4);

Tailwind

colors: {
  custom: {
    50: '#70ad8f',
    500: '#288a63',
    950: '#000000',
  },
}

SCSS

$custom: #288a63;
$custom-light: #70ad8f;
$custom-dark: #000000;

JSON

{
  "hex": "#288a63",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 99
  },
  "hsl": {
    "h": 156.122,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56697,
    "c": 0.10855,
    "h": 162.4
  },
  "luminance": 0.19529
}

Semantic roles & 50–950 ramp

primary

#288A63

secondary

#B5597D

accent

#4985DE

background

#F7FAF8

surface

#EDF4F0

border

#C8CECB

text

#08100C

muted

#7B7F7D

Preview Lab

Preview with #288A63

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →