#2583AF#2583AF

#2583AF is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.7% C 0.108 H 234.0°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#2583AF
RGB	rgb(37, 131, 175)
HSL	hsl(199, 65%, 42%)
HSV	hsv(199, 79%, 69%)
CMYK	cmyk(78.9%, 25.1%, 0%, 31.4%)
CIE-LAB	lab(51.52, -11.46, -30.87)
CIE-LCH	lch(51.52, 32.93, 249.63°)
OKLab	oklab(57.69% -0.0633 -0.087)
OKLCH	oklch(57.69% 0.108 234)
XYZ	xyz(16.6140, 19.7190, 43.4797)
Luminance	0.1972 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2583AF #AF5125

analogous

#25AF96 #2583AF #253EAF

triadic

#2583AF #AF2583 #83AF25

tetradic

#2583AF #9625AF #AF5125 #3EAF25

square

#2583AF #9625AF #AF5125 #3EAF25

split-complementary

#2583AF #AF253E #AF9625

monochromatic

#10374A #1A5D7C #2583AF #3CA5D6 #6EBCE0

Accessibility & contrast

On white

4.25

#2583AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#2583AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2583AF

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2583AF	#FFFFFF	#000000	##000000
##2583AF	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D82B1

Deuteranopia (green-blind)

#5B75AE

Tritanopia (blue-blind)

#008F92

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #2583af;
/* rgb */ color: rgb(37, 131, 175);
/* oklch */ color: oklch(57.7% 0.108 234.0);

Tailwind

colors: {
  custom: {
    50: '#75a7c7',
    500: '#2583af',
    950: '#000000',
  },
}

SCSS

$custom: #2583af;
$custom-light: #75a7c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2583af",
  "rgb": {
    "r": 37,
    "g": 131,
    "b": 175
  },
  "hsl": {
    "h": 199.13,
    "s": 65.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.57687,
    "c": 0.10765,
    "h": 234
  },
  "luminance": 0.19721
}

Semantic roles & 50–950 ramp

primary

#2583AF

secondary

#C78769

accent

#7540E8

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2583AF

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

Preview Lab → · Contrast checker → · Palette generator →