#288EA7#288EA7

#288EA7 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.1% C 0.097 H 218.3°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#288EA7
RGB	rgb(40, 142, 167)
HSL	hsl(192, 61%, 41%)
HSV	hsv(192, 76%, 65%)
CMYK	cmyk(76%, 15%, 0%, 34.5%)
CIE-LAB	lab(54.64, -19.93, -21.43)
CIE-LCH	lch(54.64, 29.27, 227.07°)
OKLab	oklab(60.1% -0.0759 -0.0599)
OKLCH	oklch(60.1% 0.097 218.3)
XYZ	xyz(17.5202, 22.5850, 39.9877)
Luminance	0.2259 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288EA7 #A74128

analogous

#28A780 #288EA7 #284EA7

triadic

#288EA7 #A7288E #8EA728

tetradic

#288EA7 #8028A7 #A74128 #4EA728

square

#288EA7 #8028A7 #A74128 #4EA728

split-complementary

#288EA7 #A7284E #A78028

monochromatic

#103A44 #1C6476 #288EA7 #3CB3D0 #6DC6DC

Accessibility & contrast

On white

3.81

#288EA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#288EA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288EA7

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288EA7	#FFFFFF	#000000	##000000
##288EA7	1.00	3.81	5.52	5.52
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8AA8

Deuteranopia (green-blind)

#6D7DA7

Tritanopia (blue-blind)

#009696

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #288ea7;
/* rgb */ color: rgb(40, 142, 167);
/* oklch */ color: oklch(60.1% 0.097 218.3);

Tailwind

colors: {
  custom: {
    50: '#76afc1',
    500: '#288ea7',
    950: '#000000',
  },
}

SCSS

$custom: #288ea7;
$custom-light: #76afc1;
$custom-dark: #000000;

JSON

{
  "hex": "#288ea7",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 167
  },
  "hsl": {
    "h": 191.811,
    "s": 61.353,
    "l": 40.588
  },
  "oklch": {
    "l": 0.60097,
    "c": 0.09668,
    "h": 218.3
  },
  "luminance": 0.22587
}

Semantic roles & 50–950 ramp

primary

#288EA7

secondary

#C37A68

accent

#6343E4

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #288EA7

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

Preview Lab → · Contrast checker → · Palette generator →