#288C8E#288C8E

#288C8E is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.6% C 0.089 H 197.0°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#288C8E
RGB	rgb(40, 140, 142)
HSL	hsl(181, 56%, 36%)
HSV	hsv(181, 72%, 56%)
CMYK	cmyk(71.8%, 1.4%, 0%, 44.3%)
CIE-LAB	lab(53.12, -26.94, -9.31)
CIE-LCH	lch(53.12, 28.51, 199.07°)
OKLab	oklab(58.57% -0.0847 -0.0259)
OKLCH	oklch(58.57% 0.089 197)
XYZ	xyz(15.1334, 21.1585, 28.8724)
Luminance	0.2116 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C8E #8E2A28

analogous

#288E5D #288C8E #28598E

triadic

#288C8E #8E288C #8C8E28

tetradic

#288C8E #5D288E #8E2A28 #598E28

square

#288C8E #5D288E #8E2A28 #598E28

split-complementary

#288C8E #8E2859 #8E5D28

monochromatic

#0D2E2F #1B5D5E #288C8E #35BBBE #5FD0D2

Accessibility & contrast

On white

4.01

#288C8E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#288C8E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C8E

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C8E	#FFFFFF	#000000	##000000
##288C8E	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82858E

Deuteranopia (green-blind)

#737A8F

Tritanopia (blue-blind)

#00918C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #288c8e;
/* rgb */ color: rgb(40, 140, 142);
/* oklch */ color: oklch(58.6% 0.089 197.0);

Tailwind

colors: {
  custom: {
    50: '#73aeaf',
    500: '#288c8e',
    950: '#000000',
  },
}

SCSS

$custom: #288c8e;
$custom-light: #73aeaf;
$custom-dark: #000000;

JSON

{
  "hex": "#288c8e",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 142
  },
  "hsl": {
    "h": 181.176,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.58574,
    "c": 0.08852,
    "h": 197
  },
  "luminance": 0.2116
}

Semantic roles & 50–950 ramp

primary

#288C8E

secondary

#B75C5B

accent

#4B48DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288C8E

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

Preview Lab → · Contrast checker → · Palette generator →