#288AAC#288AAC

#288AAC is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.3% C 0.101 H 226.1°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#288AAC
RGB	rgb(40, 138, 172)
HSL	hsl(195, 62%, 42%)
HSV	hsv(195, 77%, 67%)
CMYK	cmyk(76.7%, 19.8%, 0%, 32.5%)
CIE-LAB	lab(53.60, -16.08, -25.90)
CIE-LCH	lch(53.60, 30.48, 238.17°)
OKLab	oklab(59.33% -0.07 -0.0727)
OKLCH	oklch(59.33% 0.101 226.1)
XYZ	xyz(17.4069, 21.6045, 42.2744)
Luminance	0.2161 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288AAC #AC4A28

analogous

#28AC8C #288AAC #2848AC

triadic

#288AAC #AC288A #8AAC28

tetradic

#288AAC #8C28AC #AC4A28 #48AC28

square

#288AAC #8C28AC #AC4A28 #48AC28

split-complementary

#288AAC #AC2848 #AC8C28

monochromatic

#113A49 #1C627A #288AAC #3FACD2 #71C2DE

Accessibility & contrast

On white

3.95

#288AAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#288AAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288AAC

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288AAC	#FFFFFF	#000000	##000000
##288AAC	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7887AE

Deuteranopia (green-blind)

#667BAC

Tritanopia (blue-blind)

#009495

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #288aac;
/* rgb */ color: rgb(40, 138, 172);
/* oklch */ color: oklch(59.3% 0.101 226.1);

Tailwind

colors: {
  custom: {
    50: '#76acc4',
    500: '#288aac',
    950: '#000000',
  },
}

SCSS

$custom: #288aac;
$custom-light: #76acc4;
$custom-dark: #000000;

JSON

{
  "hex": "#288aac",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 172
  },
  "hsl": {
    "h": 195.455,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.5933,
    "c": 0.10086,
    "h": 226.1
  },
  "luminance": 0.21607
}

Semantic roles & 50–950 ramp

primary

#288AAC

secondary

#C5826B

accent

#6C42E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #288AAC

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

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