#2571BD#2571BD

#2571BD is a mid, vivid cyan. Relative luminance 0.159; OKLCH L 54.2% C 0.139 H 252.1°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#2571BD
RGB	rgb(37, 113, 189)
HSL	hsl(210, 67%, 44%)
HSV	hsv(210, 80%, 74%)
CMYK	cmyk(80.4%, 40.2%, 0%, 25.9%)
CIE-LAB	lab(46.81, 4.47, -46.38)
CIE-LCH	lch(46.81, 46.59, 275.51°)
OKLab	oklab(54.2% -0.0428 -0.1326)
OKLCH	oklch(54.2% 0.139 252.1)
XYZ	xyz(15.8499, 15.8758, 50.3632)
Luminance	0.1588 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2571BD #BD7125

analogous

#25BDBD #2571BD #2525BD

triadic

#2571BD #BD2571 #71BD25

tetradic

#2571BD #BD25BD #BD7125 #25BD25

square

#2571BD #BD25BD #BD7125 #25BD25

split-complementary

#2571BD #BD2525 #BDBD25

monochromatic

#113457 #1B528A #2571BD #4590DB #78AEE5

Accessibility & contrast

On white

5.03

#2571BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#2571BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2571BD

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2571BD	#FFFFFF	#000000	##FFFFFF
##2571BD	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C76C0

Deuteranopia (green-blind)

#3369BC

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #2571bd;
/* rgb */ color: rgb(37, 113, 189);
/* oklch */ color: oklch(54.2% 0.139 252.1);

Tailwind

colors: {
  custom: {
    50: '#7899d1',
    500: '#2571bd',
    950: '#000000',
  },
}

SCSS

$custom: #2571bd;
$custom-light: #7899d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2571bd",
  "rgb": {
    "r": 37,
    "g": 113,
    "b": 189
  },
  "hsl": {
    "h": 210,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.54204,
    "c": 0.13931,
    "h": 252.1
  },
  "luminance": 0.15878
}

Semantic roles & 50–950 ramp

primary

#2571BD

secondary

#CC9F72

accent

#943EEA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0D14

muted

#7C7E82

Preview Lab

Preview with #2571BD

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

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