#288E9D#288E9D

#288E9D is a mid, moderate teal. Relative luminance 0.222; OKLCH L 59.7% C 0.092 H 209.4°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#288E9D
RGB	rgb(40, 142, 157)
HSL	hsl(188, 59%, 39%)
HSV	hsv(188, 75%, 62%)
CMYK	cmyk(74.5%, 9.6%, 0%, 38.4%)
CIE-LAB	lab(54.27, -23.23, -16.25)
CIE-LCH	lch(54.27, 28.34, 214.97°)
OKLab	oklab(59.67% -0.0801 -0.0452)
OKLCH	oklch(59.67% 0.092 209.4)
XYZ	xyz(16.6312, 22.2295, 35.3059)
Luminance	0.2223 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E9D #9D3728

analogous

#289D71 #288E9D #28539D

triadic

#288E9D #9D288E #8E9D28

tetradic

#288E9D #71289D #9D3728 #539D28

square

#288E9D #71289D #9D3728 #539D28

split-complementary

#288E9D #9D2853 #9D7128

monochromatic

#0F363B #1C626C #288E9D #36B9CC #67CAD8

Accessibility & contrast

On white

3.86

#288E9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#288E9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E9D

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E9D	#FFFFFF	#000000	##000000
##288E9D	1.00	3.86	5.45	5.45
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81899E

Deuteranopia (green-blind)

#717D9D

Tritanopia (blue-blind)

#009592

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #288e9d;
/* rgb */ color: rgb(40, 142, 157);
/* oklch */ color: oklch(59.7% 0.092 209.4);

Tailwind

colors: {
  custom: {
    50: '#75afba',
    500: '#288e9d',
    950: '#000000',
  },
}

SCSS

$custom: #288e9d;
$custom-light: #75afba;
$custom-dark: #000000;

JSON

{
  "hex": "#288e9d",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 157
  },
  "hsl": {
    "h": 187.692,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.59673,
    "c": 0.09197,
    "h": 209.4
  },
  "luminance": 0.22231
}

Semantic roles & 50–950 ramp

primary

#288E9D

secondary

#BE6E62

accent

#5945E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #288E9D

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

Preview Lab → · Contrast checker → · Palette generator →