#2581AF#2581AF

#2581AF is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.2% C 0.109 H 235.6°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#2581AF
RGB	rgb(37, 129, 175)
HSL	hsl(200, 65%, 42%)
HSV	hsv(200, 79%, 69%)
CMYK	cmyk(78.9%, 26.3%, 0%, 31.4%)
CIE-LAB	lab(50.91, -10.32, -31.82)
CIE-LCH	lch(50.91, 33.46, 252.03°)
OKLab	oklab(57.2% -0.0614 -0.0898)
OKLCH	oklch(57.2% 0.109 235.6)
XYZ	xyz(16.3480, 19.1870, 43.3910)
Luminance	0.1919 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2581AF #AF5325

analogous

#25AF98 #2581AF #253CAF

triadic

#2581AF #AF2581 #81AF25

tetradic

#2581AF #9825AF #AF5325 #3CAF25

square

#2581AF #9825AF #AF5325 #3CAF25

split-complementary

#2581AF #AF253C #AF9825

monochromatic

#10374A #1A5C7C #2581AF #3CA2D6 #6EBAE0

Accessibility & contrast

On white

4.34

#2581AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#2581AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2581AF

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2581AF	#FFFFFF	#000000	##000000
##2581AF	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B80B1

Deuteranopia (green-blind)

#5874AE

Tritanopia (blue-blind)

#008D91

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #2581af;
/* rgb */ color: rgb(37, 129, 175);
/* oklch */ color: oklch(57.2% 0.109 235.6);

Tailwind

colors: {
  custom: {
    50: '#75a5c7',
    500: '#2581af',
    950: '#000000',
  },
}

SCSS

$custom: #2581af;
$custom-light: #75a5c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2581af",
  "rgb": {
    "r": 37,
    "g": 129,
    "b": 175
  },
  "hsl": {
    "h": 200,
    "s": 65.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.57199,
    "c": 0.10882,
    "h": 235.6
  },
  "luminance": 0.19189
}

Semantic roles & 50–950 ramp

primary

#2581AF

secondary

#C78869

accent

#7840E8

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2581AF

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

Preview Lab → · Contrast checker → · Palette generator →