#2583A7#2583A7

#2583A7 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.3% C 0.100 H 228.7°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#2583A7
RGB	rgb(37, 131, 167)
HSL	hsl(197, 64%, 40%)
HSV	hsv(197, 78%, 65%)
CMYK	cmyk(77.8%, 21.6%, 0%, 34.5%)
CIE-LAB	lab(51.17, -14.30, -26.79)
CIE-LCH	lch(51.17, 30.37, 241.91°)
OKLab	oklab(57.29% -0.0662 -0.0753)
OKLCH	oklch(57.29% 0.1 228.7)
XYZ	xyz(15.8514, 19.4140, 39.4636)
Luminance	0.1942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2583A7 #A74925

analogous

#25A78A #2583A7 #2542A7

triadic

#2583A7 #A72583 #83A725

tetradic

#2583A7 #8A25A7 #A74925 #42A725

square

#2583A7 #8A25A7 #A74925 #42A725

split-complementary

#2583A7 #A72542 #A78A25

monochromatic

#0F3443 #1A5C75 #2583A7 #37A7D3 #69BDDE

Accessibility & contrast

On white

4.30

#2583A7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#2583A7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2583A7

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2583A7	#FFFFFF	#000000	##000000
##2583A7	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7081A9

Deuteranopia (green-blind)

#5F74A7

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2583a7;
/* rgb */ color: rgb(37, 131, 167);
/* oklch */ color: oklch(57.3% 0.100 228.7);

Tailwind

colors: {
  custom: {
    50: '#74a7c1',
    500: '#2583a7',
    950: '#000000',
  },
}

SCSS

$custom: #2583a7;
$custom-light: #74a7c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2583a7",
  "rgb": {
    "r": 37,
    "g": 131,
    "b": 167
  },
  "hsl": {
    "h": 196.615,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.57292,
    "c": 0.10027,
    "h": 228.7
  },
  "luminance": 0.19416
}

Semantic roles & 50–950 ramp

primary

#2583A7

secondary

#C47F64

accent

#6F41E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #2583A7

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

Preview Lab → · Contrast checker → · Palette generator →