#288E9C#288E9C

#288E9C is a mid, moderate teal. Relative luminance 0.222; OKLCH L 59.6% C 0.092 H 208.5°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#288E9C
RGB	rgb(40, 142, 156)
HSL	hsl(187, 59%, 38%)
HSV	hsv(187, 74%, 61%)
CMYK	cmyk(74.4%, 9%, 0%, 38.8%)
CIE-LAB	lab(54.23, -23.55, -15.73)
CIE-LCH	lch(54.23, 28.32, 213.74°)
OKLab	oklab(59.63% -0.0805 -0.0437)
OKLCH	oklch(59.63% 0.092 208.5)
XYZ	xyz(16.5462, 22.1954, 34.8581)
Luminance	0.2220 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E9C #9C3628

analogous

#289C70 #288E9C #28549C

triadic

#288E9C #9C288E #8E9C28

tetradic

#288E9C #70289C #9C3628 #549C28

square

#288E9C #70289C #9C3628 #549C28

split-complementary

#288E9C #9C2854 #9C7028

monochromatic

#0F353B #1C626B #288E9C #36B9CB #67CAD8

Accessibility & contrast

On white

3.86

#288E9C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#288E9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E9C

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E9C	#FFFFFF	#000000	##000000
##288E9C	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81889D

Deuteranopia (green-blind)

#717D9C

Tritanopia (blue-blind)

#009592

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #288e9c;
/* rgb */ color: rgb(40, 142, 156);
/* oklch */ color: oklch(59.6% 0.092 208.5);

Tailwind

colors: {
  custom: {
    50: '#74afb9',
    500: '#288e9c',
    950: '#000000',
  },
}

SCSS

$custom: #288e9c;
$custom-light: #74afb9;
$custom-dark: #000000;

JSON

{
  "hex": "#288e9c",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 156
  },
  "hsl": {
    "h": 187.241,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.59632,
    "c": 0.09163,
    "h": 208.5
  },
  "luminance": 0.22197
}

Semantic roles & 50–950 ramp

primary

#288E9C

secondary

#BE6D62

accent

#5845E2

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #288E9C

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

Preview Lab → · Contrast checker → · Palette generator →