#2289B4#2289B4

#2289B4 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.3% C 0.110 H 231.6°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#2289B4
RGB	rgb(34, 137, 180)
HSL	hsl(198, 68%, 42%)
HSV	hsv(198, 81%, 71%)
CMYK	cmyk(81.1%, 23.9%, 0%, 29.4%)
CIE-LAB	lab(53.52, -13.37, -30.63)
CIE-LCH	lch(53.52, 33.42, 246.42°)
OKLab	oklab(59.34% -0.0684 -0.0863)
OKLCH	oklch(59.34% 0.11 231.6)
XYZ	xyz(17.8402, 21.5245, 46.3855)
Luminance	0.2153 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2289B4 #B44D22

analogous

#22B496 #2289B4 #2240B4

triadic

#2289B4 #B42289 #89B422

tetradic

#2289B4 #9622B4 #B44D22 #40B422

square

#2289B4 #9622B4 #B44D22 #40B422

split-complementary

#2289B4 #B42240 #B49622

monochromatic

#0F3B4D #186281 #2289B4 #3AABDA #6DC1E3

Accessibility & contrast

On white

3.96

#2289B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#2289B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2289B4

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2289B4	#FFFFFF	#000000	##000000
##2289B4	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7387B6

Deuteranopia (green-blind)

#607AB3

Tritanopia (blue-blind)

#009598

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #2289b4;
/* rgb */ color: rgb(34, 137, 180);
/* oklch */ color: oklch(59.3% 0.110 231.6);

Tailwind

colors: {
  custom: {
    50: '#76abca',
    500: '#2289b4',
    950: '#000000',
  },
}

SCSS

$custom: #2289b4;
$custom-light: #76abca;
$custom-dark: #000000;

JSON

{
  "hex": "#2289b4",
  "rgb": {
    "r": 34,
    "g": 137,
    "b": 180
  },
  "hsl": {
    "h": 197.671,
    "s": 68.224,
    "l": 41.961
  },
  "oklch": {
    "l": 0.59339,
    "c": 0.11016,
    "h": 231.6
  },
  "luminance": 0.21527
}

Semantic roles & 50–950 ramp

primary

#2289B4

secondary

#CA8568

accent

#703DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2289B4

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

Preview Lab → · Contrast checker → · Palette generator →