#2377D4#2377D4

#2377D4 is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 57.0% C 0.163 H 254.5°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#2377D4
RGB	rgb(35, 119, 212)
HSL	hsl(212, 72%, 48%)
HSV	hsv(212, 83%, 83%)
CMYK	cmyk(83.5%, 43.9%, 0%, 16.9%)
CIE-LAB	lab(49.86, 9.34, -54.67)
CIE-LCH	lch(49.86, 55.47, 279.69°)
OKLab	oklab(57% -0.0435 -0.1569)
OKLCH	oklch(57% 0.163 254.5)
XYZ	xyz(19.1692, 18.3020, 64.7969)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2377D4 #D48023

analogous

#23CFD4 #2377D4 #2723D4

triadic

#2377D4 #D42377 #77D423

tetradic

#2377D4 #D423CF #D48023 #23D427

square

#2377D4 #D423CF #D48023 #23D427

split-complementary

#2377D4 #D42723 #CFD423

monochromatic

#123C6B #1A5A9F #2377D4 #5296E2 #86B6EB

Accessibility & contrast

On white

4.51

#2377D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#2377D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2377D4

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2377D4	#FFFFFF	#000000	##000000
##2377D4	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#467FD8

Deuteranopia (green-blind)

#216FD2

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #2377d4;
/* rgb */ color: rgb(35, 119, 212);
/* oklch */ color: oklch(57.0% 0.163 254.5);

Tailwind

colors: {
  custom: {
    50: '#7c9de2',
    500: '#2377d4',
    950: '#000000',
  },
}

SCSS

$custom: #2377d4;
$custom-light: #7c9de2;
$custom-dark: #000000;

JSON

{
  "hex": "#2377d4",
  "rgb": {
    "r": 35,
    "g": 119,
    "b": 212
  },
  "hsl": {
    "h": 211.525,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57004,
    "c": 0.16279,
    "h": 254.5
  },
  "luminance": 0.18304
}

Semantic roles & 50–950 ramp

primary

#2377D4

secondary

#D4AC7E

accent

#9939EE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #2377D4

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

Preview Lab → · Contrast checker → · Palette generator →