#2381D4#2381D4

#2381D4 is a mid, vivid cyan. Relative luminance 0.208; OKLCH L 59.2% C 0.152 H 250.2°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#2381D4
RGB	rgb(35, 129, 212)
HSL	hsl(208, 72%, 48%)
HSV	hsv(208, 83%, 83%)
CMYK	cmyk(83.5%, 39.2%, 0%, 16.9%)
CIE-LAB	lab(52.74, 3.18, -50.07)
CIE-LCH	lch(52.74, 50.17, 273.64°)
OKLab	oklab(59.25% -0.0514 -0.1431)
OKLCH	oklch(59.25% 0.152 250.2)
XYZ	xyz(20.4225, 20.8087, 65.2147)
Luminance	0.2081 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2381D4 #D47623

analogous

#23D4CE #2381D4 #2328D4

triadic

#2381D4 #D42381 #81D423

tetradic

#2381D4 #CE23D4 #D47623 #28D423

square

#2381D4 #CE23D4 #D47623 #28D423

split-complementary

#2381D4 #D42328 #D4CE23

monochromatic

#12416B #1A619F #2381D4 #529FE2 #86BCEB

Accessibility & contrast

On white

4.07

#2381D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#2381D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2381D4

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2381D4	#FFFFFF	#000000	##000000
##2381D4	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5986D7

Deuteranopia (green-blind)

#3C77D2

Tritanopia (blue-blind)

#0095A0

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #2381d4;
/* rgb */ color: rgb(35, 129, 212);
/* oklch */ color: oklch(59.2% 0.152 250.2);

Tailwind

colors: {
  custom: {
    50: '#7ca5e2',
    500: '#2381d4',
    950: '#000000',
  },
}

SCSS

$custom: #2381d4;
$custom-light: #7ca5e2;
$custom-dark: #000000;

JSON

{
  "hex": "#2381d4",
  "rgb": {
    "r": 35,
    "g": 129,
    "b": 212
  },
  "hsl": {
    "h": 208.136,
    "s": 71.66,
    "l": 48.431
  },
  "oklch": {
    "l": 0.59248,
    "c": 0.15208,
    "h": 250.2
  },
  "luminance": 0.20811
}

Semantic roles & 50–950 ramp

primary

#2381D4

secondary

#D4A77E

accent

#8E39EE

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0B0F15

muted

#7C7F83

Preview Lab

Preview with #2381D4

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

Preview Lab → · Contrast checker → · Palette generator →