#288DAE#288DAE

#288DAE is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.2% C 0.102 H 224.7°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#288DAE
RGB	rgb(40, 141, 174)
HSL	hsl(195, 63%, 42%)
HSV	hsv(195, 77%, 68%)
CMYK	cmyk(77%, 19%, 0%, 31.8%)
CIE-LAB	lab(54.61, -17.03, -25.49)
CIE-LCH	lch(54.61, 30.65, 236.25°)
OKLab	oklab(60.16% -0.0722 -0.0715)
OKLCH	oklch(60.16% 0.102 224.7)
XYZ	xyz(18.0368, 22.5547, 43.4391)
Luminance	0.2256 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288DAE #AE4928

analogous

#28AE8C #288DAE #284AAE

triadic

#288DAE #AE288D #8DAE28

tetradic

#288DAE #8C28AE #AE4928 #4AAE28

square

#288DAE #8C28AE #AE4928 #4AAE28

split-complementary

#288DAE #AE284A #AE8C28

monochromatic

#113C4A #1D657C #288DAE #40AFD3 #72C4DF

Accessibility & contrast

On white

3.81

#288DAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#288DAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288DAE

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288DAE	#FFFFFF	#000000	##000000
##288DAE	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8AB0

Deuteranopia (green-blind)

#697DAE

Tritanopia (blue-blind)

#009798

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #288dae;
/* rgb */ color: rgb(40, 141, 174);
/* oklch */ color: oklch(60.2% 0.102 224.7);

Tailwind

colors: {
  custom: {
    50: '#77aec6',
    500: '#288dae',
    950: '#000000',
  },
}

SCSS

$custom: #288dae;
$custom-light: #77aec6;
$custom-dark: #000000;

JSON

{
  "hex": "#288dae",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 174
  },
  "hsl": {
    "h": 194.776,
    "s": 62.617,
    "l": 41.961
  },
  "oklch": {
    "l": 0.60163,
    "c": 0.10156,
    "h": 224.7
  },
  "luminance": 0.22557
}

Semantic roles & 50–950 ramp

primary

#288DAE

secondary

#C6826C

accent

#6A42E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #288DAE

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

Preview Lab → · Contrast checker → · Palette generator →