#288AAD#288AAD

#288AAD is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.4% C 0.102 H 226.8°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#288AAD
RGB	rgb(40, 138, 173)
HSL	hsl(196, 62%, 42%)
HSV	hsv(196, 77%, 68%)
CMYK	cmyk(76.9%, 20.2%, 0%, 32.2%)
CIE-LAB	lab(53.65, -15.73, -26.41)
CIE-LCH	lch(53.65, 30.74, 239.21°)
OKLab	oklab(59.38% -0.0696 -0.0741)
OKLCH	oklch(59.38% 0.102 226.8)
XYZ	xyz(17.5033, 21.6431, 42.7821)
Luminance	0.2165 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288AAD #AD4B28

analogous

#28AD8D #288AAD #2848AD

triadic

#288AAD #AD288A #8AAD28

tetradic

#288AAD #8D28AD #AD4B28 #48AD28

square

#288AAD #8D28AD #AD4B28 #48AD28

split-complementary

#288AAD #AD2848 #AD8D28

monochromatic

#113B4A #1D627B #288AAD #3FACD3 #71C2DE

Accessibility & contrast

On white

3.94

#288AAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#288AAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288AAD

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288AAD	#FFFFFF	#000000	##000000
##288AAD	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7787AF

Deuteranopia (green-blind)

#657BAD

Tritanopia (blue-blind)

#009496

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #288aad;
/* rgb */ color: rgb(40, 138, 173);
/* oklch */ color: oklch(59.4% 0.102 226.8);

Tailwind

colors: {
  custom: {
    50: '#76acc5',
    500: '#288aad',
    950: '#000000',
  },
}

SCSS

$custom: #288aad;
$custom-light: #76acc5;
$custom-dark: #000000;

JSON

{
  "hex": "#288aad",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 173
  },
  "hsl": {
    "h": 195.789,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.59377,
    "c": 0.10165,
    "h": 226.8
  },
  "luminance": 0.21645
}

Semantic roles & 50–950 ramp

primary

#288AAD

secondary

#C5836C

accent

#6D42E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #288AAD

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

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