#2571C4#2571C4

#2571C4 is a mid, vivid cyan. Relative luminance 0.162; OKLCH L 54.7% C 0.148 H 253.9°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#2571C4
RGB	rgb(37, 113, 196)
HSL	hsl(211, 68%, 46%)
HSV	hsv(211, 81%, 77%)
CMYK	cmyk(81.1%, 42.3%, 0%, 23.1%)
CIE-LAB	lab(47.22, 7.15, -49.76)
CIE-LCH	lch(47.22, 50.27, 278.17°)
OKLab	oklab(54.65% -0.0412 -0.1425)
OKLCH	oklch(54.65% 0.148 253.9)
XYZ	xyz(16.6281, 16.1871, 54.4619)
Luminance	0.1619 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2571C4 #C47825

analogous

#25C0C4 #2571C4 #2925C4

triadic

#2571C4 #C42571 #71C425

tetradic

#2571C4 #C425C0 #C47825 #25C429

square

#2571C4 #C425C0 #C47825 #25C429

split-complementary

#2571C4 #C42925 #C0C425

monochromatic

#12365D #1B5391 #2571C4 #4990DD #7DAFE6

Accessibility & contrast

On white

4.96

#2571C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#2571C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2571C4

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2571C4	#FFFFFF	#000000	##FFFFFF
##2571C4	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4778C7

Deuteranopia (green-blind)

#2A69C2

Tritanopia (blue-blind)

#008591

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2571c4;
/* rgb */ color: rgb(37, 113, 196);
/* oklch */ color: oklch(54.7% 0.148 253.9);

Tailwind

colors: {
  custom: {
    50: '#7999d6',
    500: '#2571c4',
    950: '#000000',
  },
}

SCSS

$custom: #2571c4;
$custom-light: #7999d6;
$custom-dark: #000000;

JSON

{
  "hex": "#2571c4",
  "rgb": {
    "r": 37,
    "g": 113,
    "b": 196
  },
  "hsl": {
    "h": 211.321,
    "s": 68.24,
    "l": 45.686
  },
  "oklch": {
    "l": 0.54654,
    "c": 0.14835,
    "h": 253.9
  },
  "luminance": 0.16189
}

Semantic roles & 50–950 ramp

primary

#2571C4

secondary

#CFA476

accent

#983DEB

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #2571C4

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

Preview Lab → · Contrast checker → · Palette generator →