#288A7D#288A7D

#288A7D is a mid, moderate teal. Relative luminance 0.201; OKLCH L 57.5% C 0.091 H 182.3°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#288A7D
RGB	rgb(40, 138, 125)
HSL	hsl(172, 55%, 35%)
HSV	hsv(172, 71%, 54%)
CMYK	cmyk(71%, 0%, 9.4%, 45.9%)
CIE-LAB	lab(51.96, -31.00, -1.18)
CIE-LCH	lch(51.96, 31.02, 182.17°)
OKLab	oklab(57.46% -0.0905 -0.0037)
OKLCH	oklch(57.46% 0.091 182.3)
XYZ	xyz(13.6635, 20.1072, 22.5590)
Luminance	0.2011 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A7D #8A2835

analogous

#288A4C #288A7D #28668A

triadic

#288A7D #7D288A #8A7D28

tetradic

#288A7D #4C288A #8A2835 #668A28

square

#288A7D #4C288A #8A2835 #668A28

split-complementary

#288A7D #8A2866 #8A4C28

monochromatic

#0C2B27 #1A5B52 #288A7D #36B9A8 #5DD0C1

Accessibility & contrast

On white

4.18

#288A7D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#288A7D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A7D

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A7D	#FFFFFF	#000000	##000000
##288A7D	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83827D

Deuteranopia (green-blind)

#76787E

Tritanopia (blue-blind)

#008D86

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288a7d;
/* rgb */ color: rgb(40, 138, 125);
/* oklch */ color: oklch(57.5% 0.091 182.3);

Tailwind

colors: {
  custom: {
    50: '#71aca2',
    500: '#288a7d',
    950: '#000000',
  },
}

SCSS

$custom: #288a7d;
$custom-light: #71aca2;
$custom-dark: #000000;

JSON

{
  "hex": "#288a7d",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 125
  },
  "hsl": {
    "h": 172.041,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.57455,
    "c": 0.09061,
    "h": 182.3
  },
  "luminance": 0.20109
}

Semantic roles & 50–950 ramp

primary

#288A7D

secondary

#B55965

accent

#495DDE

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#09100F

muted

#7B7F7E

Preview Lab

Preview with #288A7D

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

Preview Lab → · Contrast checker → · Palette generator →