#288DAA#288DAA

#288DAA is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.0% C 0.099 H 221.7°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#288DAA
RGB	rgb(40, 141, 170)
HSL	hsl(193, 62%, 41%)
HSV	hsv(193, 76%, 67%)
CMYK	cmyk(76.5%, 17.1%, 0%, 33.3%)
CIE-LAB	lab(54.45, -18.39, -23.44)
CIE-LCH	lch(54.45, 29.80, 231.89°)
OKLab	oklab(59.98% -0.0737 -0.0656)
OKLCH	oklch(59.98% 0.099 221.7)
XYZ	xyz(17.6526, 22.4010, 41.4159)
Luminance	0.2240 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288DAA #AA4528

analogous

#28AA86 #288DAA #284CAA

triadic

#288DAA #AA288D #8DAA28

tetradic

#288DAA #8628AA #AA4528 #4CAA28

square

#288DAA #8628AA #AA4528 #4CAA28

split-complementary

#288DAA #AA284C #AA8628

monochromatic

#113B47 #1C6478 #288DAA #3EB1D2 #6FC5DD

Accessibility & contrast

On white

3.83

#288DAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#288DAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288DAA

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288DAA	#FFFFFF	#000000	##000000
##288DAA	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C89AC

Deuteranopia (green-blind)

#6A7DAA

Tritanopia (blue-blind)

#009696

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #288daa;
/* rgb */ color: rgb(40, 141, 170);
/* oklch */ color: oklch(60.0% 0.099 221.7);

Tailwind

colors: {
  custom: {
    50: '#76aec3',
    500: '#288daa',
    950: '#000000',
  },
}

SCSS

$custom: #288daa;
$custom-light: #76aec3;
$custom-dark: #000000;

JSON

{
  "hex": "#288daa",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 170
  },
  "hsl": {
    "h": 193.385,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.59981,
    "c": 0.09869,
    "h": 221.7
  },
  "luminance": 0.22403
}

Semantic roles & 50–950 ramp

primary

#288DAA

secondary

#C47E6A

accent

#6743E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #288DAA

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

Preview Lab → · Contrast checker → · Palette generator →