#288AA9#288AA9

#288AA9 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.2% C 0.099 H 223.8°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#288AA9
RGB	rgb(40, 138, 169)
HSL	hsl(194, 62%, 41%)
HSV	hsv(194, 76%, 66%)
CMYK	cmyk(76.3%, 18.3%, 0%, 33.7%)
CIE-LAB	lab(53.48, -17.11, -24.36)
CIE-LCH	lch(53.48, 29.77, 234.92°)
OKLab	oklab(59.19% -0.0711 -0.0682)
OKLCH	oklch(59.19% 0.099 223.8)
XYZ	xyz(17.1220, 21.4906, 40.7741)
Luminance	0.2149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288AA9 #A94728

analogous

#28A987 #288AA9 #2849A9

triadic

#288AA9 #A9288A #8AA928

tetradic

#288AA9 #8728A9 #A94728 #49A928

square

#288AA9 #8728A9 #A94728 #49A928

split-complementary

#288AA9 #A92849 #A98728

monochromatic

#113946 #1C6278 #288AA9 #3DAED1 #6FC2DD

Accessibility & contrast

On white

3.96

#288AA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#288AA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288AA9

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288AA9	#FFFFFF	#000000	##000000
##288AA9	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7887AB

Deuteranopia (green-blind)

#677AA9

Tritanopia (blue-blind)

#009394

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #288aa9;
/* rgb */ color: rgb(40, 138, 169);
/* oklch */ color: oklch(59.2% 0.099 223.8);

Tailwind

colors: {
  custom: {
    50: '#76acc2',
    500: '#288aa9',
    950: '#000000',
  },
}

SCSS

$custom: #288aa9;
$custom-light: #76acc2;
$custom-dark: #000000;

JSON

{
  "hex": "#288aa9",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 169
  },
  "hsl": {
    "h": 194.419,
    "s": 61.722,
    "l": 40.98
  },
  "oklch": {
    "l": 0.59191,
    "c": 0.09857,
    "h": 223.8
  },
  "luminance": 0.21493
}

Semantic roles & 50–950 ramp

primary

#288AA9

secondary

#C47F69

accent

#6A43E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #288AA9

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

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