#2379D4#2379D4

#2379D4 is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.4% C 0.161 H 253.7°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#2379D4
RGB	rgb(35, 121, 212)
HSL	hsl(211, 72%, 48%)
HSV	hsv(211, 83%, 83%)
CMYK	cmyk(83.5%, 42.9%, 0%, 16.9%)
CIE-LAB	lab(50.43, 8.09, -53.76)
CIE-LCH	lch(50.43, 54.36, 278.56°)
OKLab	oklab(57.45% -0.0451 -0.1541)
OKLCH	oklch(57.45% 0.161 253.7)
XYZ	xyz(19.4097, 18.7831, 64.8771)
Luminance	0.1879 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2379D4 #D47E23

analogous

#23D1D4 #2379D4 #2523D4

triadic

#2379D4 #D42379 #79D423

tetradic

#2379D4 #D423D1 #D47E23 #23D425

square

#2379D4 #D423D1 #D47E23 #23D425

split-complementary

#2379D4 #D42523 #D1D423

monochromatic

#123D6B #1A5B9F #2379D4 #5298E2 #86B7EB

Accessibility & contrast

On white

4.41

#2379D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#2379D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2379D4

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2379D4	#FFFFFF	#000000	##000000
##2379D4	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A80D8

Deuteranopia (green-blind)

#2771D2

Tritanopia (blue-blind)

#008F9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #2379d4;
/* rgb */ color: rgb(35, 121, 212);
/* oklch */ color: oklch(57.4% 0.161 253.7);

Tailwind

colors: {
  custom: {
    50: '#7c9fe2',
    500: '#2379d4',
    950: '#000000',
  },
}

SCSS

$custom: #2379d4;
$custom-light: #7c9fe2;
$custom-dark: #000000;

JSON

{
  "hex": "#2379d4",
  "rgb": {
    "r": 35,
    "g": 121,
    "b": 212
  },
  "hsl": {
    "h": 210.847,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57448,
    "c": 0.16058,
    "h": 253.7
  },
  "luminance": 0.18786
}

Semantic roles & 50–950 ramp

primary

#2379D4

secondary

#D4AB7E

accent

#9639EE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #2379D4

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

Preview Lab → · Contrast checker → · Palette generator →