#2370D4#2370D4

#2370D4 is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.5% C 0.171 H 257.0°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#2370D4
RGB	rgb(35, 112, 212)
HSL	hsl(214, 72%, 48%)
HSV	hsv(214, 83%, 83%)
CMYK	cmyk(83.5%, 47.2%, 0%, 16.9%)
CIE-LAB	lab(47.88, 13.74, -57.86)
CIE-LCH	lch(47.88, 59.47, 283.36°)
OKLab	oklab(55.47% -0.0383 -0.1664)
OKLCH	oklch(55.47% 0.171 257)
XYZ	xyz(18.3666, 16.6968, 64.5294)
Luminance	0.1670 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2370D4 #D48723

analogous

#23C8D4 #2370D4 #2E23D4

triadic

#2370D4 #D42370 #70D423

tetradic

#2370D4 #D423C8 #D48723 #23D42E

square

#2370D4 #D423C8 #D48723 #23D42E

split-complementary

#2370D4 #D42E23 #C8D423

monochromatic

#12386B #1A549F #2370D4 #5291E2 #86B2EB

Accessibility & contrast

On white

4.84

#2370D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#2370D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2370D4

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2370D4	#FFFFFF	#000000	##FFFFFF
##2370D4	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#377AD8

Deuteranopia (green-blind)

#006AD2

Tritanopia (blue-blind)

#008898

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2370d4;
/* rgb */ color: rgb(35, 112, 212);
/* oklch */ color: oklch(55.5% 0.171 257.0);

Tailwind

colors: {
  custom: {
    50: '#7c98e2',
    500: '#2370d4',
    950: '#000000',
  },
}

SCSS

$custom: #2370d4;
$custom-light: #7c98e2;
$custom-dark: #000000;

JSON

{
  "hex": "#2370d4",
  "rgb": {
    "r": 35,
    "g": 112,
    "b": 212
  },
  "hsl": {
    "h": 213.898,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55468,
    "c": 0.17075,
    "h": 257
  },
  "luminance": 0.16699
}

Semantic roles & 50–950 ramp

primary

#2370D4

secondary

#D4AF7E

accent

#A039EE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #2370D4

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

Preview Lab → · Contrast checker → · Palette generator →