#2583A8#2583A8

#2583A8 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.3% C 0.101 H 229.4°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#2583A8
RGB	rgb(37, 131, 168)
HSL	hsl(197, 64%, 40%)
HSV	hsv(197, 78%, 66%)
CMYK	cmyk(78%, 22%, 0%, 34.1%)
CIE-LAB	lab(51.21, -13.95, -27.30)
CIE-LCH	lch(51.21, 30.66, 242.94°)
OKLab	oklab(57.34% -0.0659 -0.0767)
OKLCH	oklch(57.34% 0.101 229.4)
XYZ	xyz(15.9442, 19.4511, 39.9523)
Luminance	0.1945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2583A8 #A84A25

analogous

#25A88C #2583A8 #2541A8

triadic

#2583A8 #A82583 #83A825

tetradic

#2583A8 #8C25A8 #A84A25 #41A825

square

#2583A8 #8C25A8 #A84A25 #41A825

split-complementary

#2583A8 #A82541 #A88C25

monochromatic

#0F3544 #1A5C76 #2583A8 #37A7D3 #69BDDE

Accessibility & contrast

On white

4.29

#2583A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#2583A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2583A8

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2583A8	#FFFFFF	#000000	##000000
##2583A8	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7081AA

Deuteranopia (green-blind)

#5E75A7

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2583a8;
/* rgb */ color: rgb(37, 131, 168);
/* oklch */ color: oklch(57.3% 0.101 229.4);

Tailwind

colors: {
  custom: {
    50: '#74a7c2',
    500: '#2583a8',
    950: '#000000',
  },
}

SCSS

$custom: #2583a8;
$custom-light: #74a7c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2583a8",
  "rgb": {
    "r": 37,
    "g": 131,
    "b": 168
  },
  "hsl": {
    "h": 196.947,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.57341,
    "c": 0.10113,
    "h": 229.4
  },
  "luminance": 0.19453
}

Semantic roles & 50–950 ramp

primary

#2583A8

secondary

#C48065

accent

#7041E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #2583A8

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

Preview Lab → · Contrast checker → · Palette generator →