#288AA0#288AA0

#288AA0 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 58.8% C 0.093 H 216.4°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#288AA0
RGB	rgb(40, 138, 160)
HSL	hsl(191, 60%, 39%)
HSV	hsv(191, 75%, 63%)
CMYK	cmyk(75%, 13.8%, 0%, 37.3%)
CIE-LAB	lab(53.13, -20.14, -19.72)
CIE-LCH	lch(53.13, 28.19, 224.39°)
OKLab	oklab(58.79% -0.0747 -0.055)
OKLCH	oklch(58.79% 0.093 216.4)
XYZ	xyz(16.3060, 21.1642, 36.4766)
Luminance	0.2117 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288AA0 #A03E28

analogous

#28A07A #288AA0 #284EA0

triadic

#288AA0 #A0288A #8AA028

tetradic

#288AA0 #7A28A0 #A03E28 #4EA028

square

#288AA0 #7A28A0 #A03E28 #4EA028

split-complementary

#288AA0 #A0284E #A07A28

monochromatic

#10363E #1C606F #288AA0 #38B2CD #69C5D9

Accessibility & contrast

On white

4.01

#288AA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#288AA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288AA0

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288AA0	#FFFFFF	#000000	##000000
##288AA0	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B86A1

Deuteranopia (green-blind)

#6B7AA0

Tritanopia (blue-blind)

#009291

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #288aa0;
/* rgb */ color: rgb(40, 138, 160);
/* oklch */ color: oklch(58.8% 0.093 216.4);

Tailwind

colors: {
  custom: {
    50: '#75acbc',
    500: '#288aa0',
    950: '#000000',
  },
}

SCSS

$custom: #288aa0;
$custom-light: #75acbc;
$custom-dark: #000000;

JSON

{
  "hex": "#288aa0",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 160
  },
  "hsl": {
    "h": 191,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.5879,
    "c": 0.09279,
    "h": 216.4
  },
  "luminance": 0.21166
}

Semantic roles & 50–950 ramp

primary

#288AA0

secondary

#C07564

accent

#6245E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #288AA0

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

Preview Lab → · Contrast checker → · Palette generator →