#2571BC#2571BC

#2571BC is a mid, vivid cyan. Relative luminance 0.158; OKLCH L 54.1% C 0.138 H 251.8°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#2571BC
RGB	rgb(37, 113, 188)
HSL	hsl(210, 67%, 44%)
HSV	hsv(210, 80%, 74%)
CMYK	cmyk(80.3%, 39.9%, 0%, 26.3%)
CIE-LAB	lab(46.75, 4.09, -45.89)
CIE-LCH	lch(46.75, 46.07, 275.10°)
OKLab	oklab(54.14% -0.043 -0.1311)
OKLCH	oklch(54.14% 0.138 251.8)
XYZ	xyz(15.7417, 15.8325, 49.7935)
Luminance	0.1583 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2571BC #BC7025

analogous

#25BCBC #2571BC #2526BC

triadic

#2571BC #BC2571 #71BC25

tetradic

#2571BC #BC25BC #BC7025 #26BC25

square

#2571BC #BC25BC #BC7025 #26BC25

split-complementary

#2571BC #BC2526 #BCBC25

monochromatic

#113456 #1B5289 #2571BC #4490DA #77AEE4

Accessibility & contrast

On white

5.04

#2571BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#2571BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2571BC

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2571BC	#FFFFFF	#000000	##FFFFFF
##2571BC	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D76BF

Deuteranopia (green-blind)

#3469BB

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #2571bc;
/* rgb */ color: rgb(37, 113, 188);
/* oklch */ color: oklch(54.1% 0.138 251.8);

Tailwind

colors: {
  custom: {
    50: '#7799d0',
    500: '#2571bc',
    950: '#000000',
  },
}

SCSS

$custom: #2571bc;
$custom-light: #7799d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2571bc",
  "rgb": {
    "r": 37,
    "g": 113,
    "b": 188
  },
  "hsl": {
    "h": 209.801,
    "s": 67.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.54141,
    "c": 0.13802,
    "h": 251.8
  },
  "luminance": 0.15834
}

Semantic roles & 50–950 ramp

primary

#2571BC

secondary

#CC9E71

accent

#933EEA

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0D14

muted

#7C7E82

Preview Lab

Preview with #2571BC

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

Preview Lab → · Contrast checker → · Palette generator →