#288BAD#288BAD

#288BAD is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 59.6% C 0.101 H 225.9°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#288BAD
RGB	rgb(40, 139, 173)
HSL	hsl(195, 62%, 42%)
HSV	hsv(195, 77%, 68%)
CMYK	cmyk(76.9%, 19.7%, 0%, 32.2%)
CIE-LAB	lab(53.95, -16.28, -25.93)
CIE-LCH	lch(53.95, 30.62, 237.88°)
OKLab	oklab(59.62% -0.0706 -0.0727)
OKLCH	oklch(59.62% 0.101 225.9)
XYZ	xyz(17.6474, 21.9314, 42.8301)
Luminance	0.2193 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288BAD #AD4A28

analogous

#28AD8D #288BAD #2849AD

triadic

#288BAD #AD288B #8BAD28

tetradic

#288BAD #8D28AD #AD4A28 #49AD28

square

#288BAD #8D28AD #AD4A28 #49AD28

split-complementary

#288BAD #AD2849 #AD8D28

monochromatic

#113B4A #1D637B #288BAD #3FADD3 #71C2DE

Accessibility & contrast

On white

3.90

#288BAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#288BAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288BAD

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288BAD	#FFFFFF	#000000	##000000
##288BAD	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7888AF

Deuteranopia (green-blind)

#677BAD

Tritanopia (blue-blind)

#009596

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #288bad;
/* rgb */ color: rgb(40, 139, 173);
/* oklch */ color: oklch(59.6% 0.101 225.9);

Tailwind

colors: {
  custom: {
    50: '#77adc5',
    500: '#288bad',
    950: '#000000',
  },
}

SCSS

$custom: #288bad;
$custom-light: #77adc5;
$custom-dark: #000000;

JSON

{
  "hex": "#288bad",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 173
  },
  "hsl": {
    "h": 195.338,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.59624,
    "c": 0.10135,
    "h": 225.9
  },
  "luminance": 0.21933
}

Semantic roles & 50–950 ramp

primary

#288BAD

secondary

#C5826C

accent

#6C42E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #288BAD

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

Preview Lab → · Contrast checker → · Palette generator →