#288CAB#288CAB

#288CAB is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.8% C 0.100 H 223.4°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#288CAB
RGB	rgb(40, 140, 171)
HSL	hsl(194, 62%, 41%)
HSV	hsv(194, 77%, 67%)
CMYK	cmyk(76.6%, 18.1%, 0%, 32.9%)
CIE-LAB	lab(54.18, -17.51, -24.43)
CIE-LCH	lch(54.18, 30.06, 234.37°)
OKLab	oklab(59.78% -0.0723 -0.0684)
OKLCH	oklch(59.78% 0.1 223.4)
XYZ	xyz(17.6008, 22.1454, 41.8670)
Luminance	0.2215 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288CAB #AB4728

analogous

#28AB89 #288CAB #284BAB

triadic

#288CAB #AB288C #8CAB28

tetradic

#288CAB #8928AB #AB4728 #4BAB28

square

#288CAB #8928AB #AB4728 #4BAB28

split-complementary

#288CAB #AB284B #AB8928

monochromatic

#113B48 #1C6379 #288CAB #3EAFD2 #70C4DE

Accessibility & contrast

On white

3.87

#288CAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#288CAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288CAB

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288CAB	#FFFFFF	#000000	##000000
##288CAB	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A89AD

Deuteranopia (green-blind)

#697CAB

Tritanopia (blue-blind)

#009596

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #288cab;
/* rgb */ color: rgb(40, 140, 171);
/* oklch */ color: oklch(59.8% 0.100 223.4);

Tailwind

colors: {
  custom: {
    50: '#76adc4',
    500: '#288cab',
    950: '#000000',
  },
}

SCSS

$custom: #288cab;
$custom-light: #76adc4;
$custom-dark: #000000;

JSON

{
  "hex": "#288cab",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 171
  },
  "hsl": {
    "h": 194.198,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.59778,
    "c": 0.09958,
    "h": 223.4
  },
  "luminance": 0.22148
}

Semantic roles & 50–950 ramp

primary

#288CAB

secondary

#C4806A

accent

#6943E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #288CAB

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

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