#2583D4#2583D4

#2583D4 is a mid, vivid cyan. Relative luminance 0.214; OKLCH L 59.7% C 0.150 H 249.6°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#2583D4
RGB	rgb(37, 131, 212)
HSL	hsl(208, 70%, 49%)
HSV	hsv(208, 83%, 83%)
CMYK	cmyk(82.5%, 38.2%, 0%, 16.9%)
CIE-LAB	lab(53.36, 2.14, -49.08)
CIE-LCH	lch(53.36, 49.13, 272.50°)
OKLab	oklab(59.75% -0.0522 -0.1402)
OKLCH	oklch(59.75% 0.15 249.6)
XYZ	xyz(20.7584, 21.3768, 65.3066)
Luminance	0.2138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2583D4 #D47625

analogous

#25D4CE #2583D4 #252CD4

triadic

#2583D4 #D42583 #83D425

tetradic

#2583D4 #CE25D4 #D47625 #2CD425

square

#2583D4 #CE25D4 #D47625 #2CD425

split-complementary

#2583D4 #D4252C #D4CE25

monochromatic

#13436C #1C63A0 #2583D4 #55A0E1 #89BDEA

Accessibility & contrast

On white

3.98

#2583D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#2583D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2583D4

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2583D4	#FFFFFF	#000000	##000000
##2583D4	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C88D7

Deuteranopia (green-blind)

#4078D2

Tritanopia (blue-blind)

#0096A1

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #2583d4;
/* rgb */ color: rgb(37, 131, 212);
/* oklch */ color: oklch(59.7% 0.150 249.6);

Tailwind

colors: {
  custom: {
    50: '#7da6e1',
    500: '#2583d4',
    950: '#000000',
  },
}

SCSS

$custom: #2583d4;
$custom-light: #7da6e1;
$custom-dark: #000000;

JSON

{
  "hex": "#2583d4",
  "rgb": {
    "r": 37,
    "g": 131,
    "b": 212
  },
  "hsl": {
    "h": 207.771,
    "s": 70.281,
    "l": 48.824
  },
  "oklch": {
    "l": 0.59745,
    "c": 0.14958,
    "h": 249.6
  },
  "luminance": 0.21379
}

Semantic roles & 50–950 ramp

primary

#2583D4

secondary

#D4A781

accent

#8D3BED

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0B0F15

muted

#7C7F83

Preview Lab

Preview with #2583D4

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

Preview Lab → · Contrast checker → · Palette generator →