#2570C1#2570C1

#2570C1 is a mid, vivid cyan. Relative luminance 0.158; OKLCH L 54.2% C 0.146 H 253.6°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#2570C1
RGB	rgb(37, 112, 193)
HSL	hsl(211, 68%, 45%)
HSV	hsv(211, 81%, 76%)
CMYK	cmyk(80.8%, 42%, 0%, 24.3%)
CIE-LAB	lab(46.75, 6.63, -48.78)
CIE-LCH	lch(46.75, 49.23, 277.74°)
OKLab	oklab(54.23% -0.0411 -0.1397)
OKLCH	oklch(54.23% 0.146 253.6)
XYZ	xyz(16.1791, 15.8299, 52.6445)
Luminance	0.1583 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2570C1 #C17625

analogous

#25BEC1 #2570C1 #2825C1

triadic

#2570C1 #C12570 #70C125

tetradic

#2570C1 #C125BE #C17625 #25C128

square

#2570C1 #C125BE #C17625 #25C128

split-complementary

#2570C1 #C12825 #BEC125

monochromatic

#11345A #1B528E #2570C1 #478FDC #7BAEE6

Accessibility & contrast

On white

5.04

#2570C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#2570C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2570C1

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2570C1	#FFFFFF	#000000	##FFFFFF
##2570C1	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)

#4876C4

Deuteranopia (green-blind)

#2C68BF

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #2570c1;
/* rgb */ color: rgb(37, 112, 193);
/* oklch */ color: oklch(54.2% 0.146 253.6);

Tailwind

colors: {
  custom: {
    50: '#7998d4',
    500: '#2570c1',
    950: '#000000',
  },
}

SCSS

$custom: #2570c1;
$custom-light: #7998d4;
$custom-dark: #000000;

JSON

{
  "hex": "#2570c1",
  "rgb": {
    "r": 37,
    "g": 112,
    "b": 193
  },
  "hsl": {
    "h": 211.154,
    "s": 67.826,
    "l": 45.098
  },
  "oklch": {
    "l": 0.54232,
    "c": 0.14557,
    "h": 253.6
  },
  "luminance": 0.15832
}

Semantic roles & 50–950 ramp

primary

#2570C1

secondary

#CEA374

accent

#973DEB

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #2570C1

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

Preview Lab → · Contrast checker → · Palette generator →