#2370BE#2370BE

#2370BE is a mid, vivid cyan. Relative luminance 0.157; OKLCH L 54.0% C 0.142 H 252.5°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#2370BE
RGB	rgb(35, 112, 190)
HSL	hsl(210, 69%, 44%)
HSV	hsv(210, 82%, 75%)
CMYK	cmyk(81.6%, 41.1%, 0%, 25.5%)
CIE-LAB	lab(46.53, 5.28, -47.41)
CIE-LCH	lch(46.53, 47.71, 276.36°)
OKLab	oklab(53.99% -0.0427 -0.1356)
OKLCH	oklch(53.99% 0.142 252.5)
XYZ	xyz(15.7781, 15.6614, 50.8966)
Luminance	0.1566 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2370BE #BE7123

analogous

#23BEBE #2370BE #2423BE

triadic

#2370BE #BE2370 #70BE23

tetradic

#2370BE #BE23BE #BE7123 #23BE24

square

#2370BE #BE23BE #BE7123 #23BE24

split-complementary

#2370BE #BE2423 #BEBE23

monochromatic

#103357 #19528A #2370BE #428FDC #76ADE6

Accessibility & contrast

On white

5.08

#2370BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#2370BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2370BE

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2370BE	#FFFFFF	#000000	##FFFFFF
##2370BE	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A76C1

Deuteranopia (green-blind)

#2F68BC

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2370be;
/* rgb */ color: rgb(35, 112, 190);
/* oklch */ color: oklch(54.0% 0.142 252.5);

Tailwind

colors: {
  custom: {
    50: '#7798d2',
    500: '#2370be',
    950: '#000000',
  },
}

SCSS

$custom: #2370be;
$custom-light: #7798d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2370be",
  "rgb": {
    "r": 35,
    "g": 112,
    "b": 190
  },
  "hsl": {
    "h": 210.194,
    "s": 68.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.53988,
    "c": 0.14221,
    "h": 252.5
  },
  "luminance": 0.15663
}

Semantic roles & 50–950 ramp

primary

#2370BE

secondary

#CD9F70

accent

#943CEC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0D14

muted

#7C7E82

Preview Lab

Preview with #2370BE

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

Preview Lab → · Contrast checker → · Palette generator →