#288AA8#288AA8

#288AA8 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.1% C 0.098 H 223.0°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#288AA8
RGB	rgb(40, 138, 168)
HSL	hsl(194, 62%, 41%)
HSV	hsv(194, 76%, 66%)
CMYK	cmyk(76.2%, 17.9%, 0%, 34.1%)
CIE-LAB	lab(53.44, -17.45, -23.85)
CIE-LCH	lch(53.44, 29.55, 233.81°)
OKLab	oklab(59.15% -0.0715 -0.0668)
OKLCH	oklch(59.15% 0.098 223)
XYZ	xyz(17.0285, 21.4532, 40.2816)
Luminance	0.2145 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288AA8 #A84628

analogous

#28A886 #288AA8 #284AA8

triadic

#288AA8 #A8288A #8AA828

tetradic

#288AA8 #8628A8 #A84628 #4AA828

square

#288AA8 #8628A8 #A84628 #4AA828

split-complementary

#288AA8 #A8284A #A88628

monochromatic

#103945 #1C6177 #288AA8 #3DAED1 #6EC3DC

Accessibility & contrast

On white

3.97

#288AA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#288AA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288AA8

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288AA8	#FFFFFF	#000000	##000000
##288AA8	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7987AA

Deuteranopia (green-blind)

#687AA8

Tritanopia (blue-blind)

#009394

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #288aa8;
/* rgb */ color: rgb(40, 138, 168);
/* oklch */ color: oklch(59.1% 0.098 223.0);

Tailwind

colors: {
  custom: {
    50: '#76acc2',
    500: '#288aa8',
    950: '#000000',
  },
}

SCSS

$custom: #288aa8;
$custom-light: #76acc2;
$custom-dark: #000000;

JSON

{
  "hex": "#288aa8",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 168
  },
  "hsl": {
    "h": 194.063,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.59146,
    "c": 0.09784,
    "h": 223
  },
  "luminance": 0.21455
}

Semantic roles & 50–950 ramp

primary

#288AA8

secondary

#C37E69

accent

#6943E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #288AA8

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

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