#2583A4#2583A4

#2583A4 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.1% C 0.098 H 226.4°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#2583A4
RGB	rgb(37, 131, 164)
HSL	hsl(196, 63%, 39%)
HSV	hsv(196, 77%, 64%)
CMYK	cmyk(77.4%, 20.1%, 0%, 35.7%)
CIE-LAB	lab(51.04, -15.35, -25.25)
CIE-LCH	lch(51.04, 29.55, 238.71°)
OKLab	oklab(57.15% -0.0674 -0.0708)
OKLCH	oklch(57.15% 0.098 226.4)
XYZ	xyz(15.5773, 19.3044, 38.0199)
Luminance	0.1931 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2583A4 #A44625

analogous

#25A486 #2583A4 #2543A4

triadic

#2583A4 #A42583 #83A425

tetradic

#2583A4 #8625A4 #A44625 #43A425

square

#2583A4 #8625A4 #A44625 #43A425

split-complementary

#2583A4 #A42543 #A48625

monochromatic

#0E3340 #1A5B72 #2583A4 #35A9D1 #67BEDD

Accessibility & contrast

On white

4.32

#2583A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#2583A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2583A4

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2583A4	#FFFFFF	#000000	##000000
##2583A4	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7180A6

Deuteranopia (green-blind)

#6074A4

Tritanopia (blue-blind)

#008D8E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2583a4;
/* rgb */ color: rgb(37, 131, 164);
/* oklch */ color: oklch(57.1% 0.098 226.4);

Tailwind

colors: {
  custom: {
    50: '#74a7bf',
    500: '#2583a4',
    950: '#000000',
  },
}

SCSS

$custom: #2583a4;
$custom-light: #74a7bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2583a4",
  "rgb": {
    "r": 37,
    "g": 131,
    "b": 164
  },
  "hsl": {
    "h": 195.591,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.57149,
    "c": 0.09777,
    "h": 226.4
  },
  "luminance": 0.19306
}

Semantic roles & 50–950 ramp

primary

#2583A4

secondary

#C27B62

accent

#6C42E6

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #2583A4

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

Preview Lab → · Contrast checker → · Palette generator →