#2288B3#2288B3

#2288B3 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.0% C 0.110 H 231.8°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#2288B3
RGB	rgb(34, 136, 179)
HSL	hsl(198, 68%, 42%)
HSV	hsv(198, 81%, 70%)
CMYK	cmyk(81%, 24%, 0%, 29.8%)
CIE-LAB	lab(53.17, -13.17, -30.60)
CIE-LCH	lch(53.17, 33.31, 246.72°)
OKLab	oklab(59.05% -0.0679 -0.0862)
OKLCH	oklch(59.05% 0.11 231.8)
XYZ	xyz(17.5972, 21.2009, 45.8038)
Luminance	0.2120 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2288B3 #B34D22

analogous

#22B396 #2288B3 #2240B3

triadic

#2288B3 #B32288 #88B322

tetradic

#2288B3 #9622B3 #B34D22 #40B322

square

#2288B3 #9622B3 #B34D22 #40B322

split-complementary

#2288B3 #B32240 #B39622

monochromatic

#0E3A4C #186180 #2288B3 #39AAD9 #6CC0E3

Accessibility & contrast

On white

4.01

#2288B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#2288B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2288B3

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2288B3	#FFFFFF	#000000	##000000
##2288B3	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7286B5

Deuteranopia (green-blind)

#5F79B2

Tritanopia (blue-blind)

#009497

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #2288b3;
/* rgb */ color: rgb(34, 136, 179);
/* oklch */ color: oklch(59.0% 0.110 231.8);

Tailwind

colors: {
  custom: {
    50: '#76aaca',
    500: '#2288b3',
    950: '#000000',
  },
}

SCSS

$custom: #2288b3;
$custom-light: #76aaca;
$custom-dark: #000000;

JSON

{
  "hex": "#2288b3",
  "rgb": {
    "r": 34,
    "g": 136,
    "b": 179
  },
  "hsl": {
    "h": 197.793,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.59045,
    "c": 0.10974,
    "h": 231.8
  },
  "luminance": 0.21203
}

Semantic roles & 50–950 ramp

primary

#2288B3

secondary

#C98568

accent

#703DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2288B3

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

Preview Lab → · Contrast checker → · Palette generator →