#2289B3#2289B3

#2289B3 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.3% C 0.109 H 231.0°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#2289B3
RGB	rgb(34, 137, 179)
HSL	hsl(197, 68%, 42%)
HSV	hsv(197, 81%, 70%)
CMYK	cmyk(81%, 23.5%, 0%, 29.8%)
CIE-LAB	lab(53.48, -13.73, -30.12)
CIE-LCH	lch(53.48, 33.10, 245.50°)
OKLab	oklab(59.29% -0.0688 -0.0849)
OKLCH	oklch(59.29% 0.109 231)
XYZ	xyz(17.7387, 21.4839, 45.8510)
Luminance	0.2149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2289B3 #B34C22

analogous

#22B395 #2289B3 #2241B3

triadic

#2289B3 #B32289 #89B322

tetradic

#2289B3 #9522B3 #B34C22 #41B322

square

#2289B3 #9522B3 #B34C22 #41B322

split-complementary

#2289B3 #B32241 #B39522

monochromatic

#0E3A4C #186280 #2289B3 #39ABD9 #6CC1E3

Accessibility & contrast

On white

3.96

#2289B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#2289B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2289B3

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2289B3	#FFFFFF	#000000	##000000
##2289B3	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7487B5

Deuteranopia (green-blind)

#617AB2

Tritanopia (blue-blind)

#009497

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #2289b3;
/* rgb */ color: rgb(34, 137, 179);
/* oklch */ color: oklch(59.3% 0.109 231.0);

Tailwind

colors: {
  custom: {
    50: '#76abca',
    500: '#2289b3',
    950: '#000000',
  },
}

SCSS

$custom: #2289b3;
$custom-light: #76abca;
$custom-dark: #000000;

JSON

{
  "hex": "#2289b3",
  "rgb": {
    "r": 34,
    "g": 137,
    "b": 179
  },
  "hsl": {
    "h": 197.379,
    "s": 68.075,
    "l": 41.765
  },
  "oklch": {
    "l": 0.5929,
    "c": 0.10925,
    "h": 231
  },
  "luminance": 0.21486
}

Semantic roles & 50–950 ramp

primary

#2289B3

secondary

#C98468

accent

#6F3DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2289B3

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

Preview Lab → · Contrast checker → · Palette generator →