#4381CC#4381CC

#4381CC is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.7% C 0.132 H 254.5°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#4381CC
RGB	rgb(67, 129, 204)
HSL	hsl(213, 57%, 53%)
HSV	hsv(213, 67%, 80%)
CMYK	cmyk(67.2%, 36.8%, 0%, 20%)
CIE-LAB	lab(53.22, 4.18, -44.72)
CIE-LCH	lch(53.22, 44.91, 275.34°)
OKLab	oklab(59.75% -0.0352 -0.1271)
OKLCH	oklch(59.75% 0.132 254.5)
XYZ	xyz(21.0601, 21.2513, 60.1071)
Luminance	0.2125 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4381CC #CC8E43

analogous

#43C5CC #4381CC #4943CC

triadic

#4381CC #CC4381 #81CC43

tetradic

#4381CC #CC43C5 #CC8E43 #43CC49

square

#4381CC #CC43C5 #CC8E43 #43CC49

split-complementary

#4381CC #CC4943 #C5CC43

monochromatic

#204675 #2D63A5 #4381CC #73A1D9 #A3C2E6

Accessibility & contrast

On white

4.00

#4381CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#4381CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4381CC

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4381CC	#FFFFFF	#000000	##000000
##4381CC	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6086CF

Deuteranopia (green-blind)

#4C79CA

Tritanopia (blue-blind)

#00929D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4381cc;
/* rgb */ color: rgb(67, 129, 204);
/* oklch */ color: oklch(59.7% 0.132 254.5);

Tailwind

colors: {
  custom: {
    50: '#85a5dc',
    500: '#4381cc',
    950: '#000000',
  },
}

SCSS

$custom: #4381cc;
$custom-light: #85a5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4381cc",
  "rgb": {
    "r": 67,
    "g": 129,
    "b": 204
  },
  "hsl": {
    "h": 212.847,
    "s": 57.322,
    "l": 53.137
  },
  "oklch": {
    "l": 0.59745,
    "c": 0.13187,
    "h": 254.5
  },
  "luminance": 0.21253
}

Semantic roles & 50–950 ramp

primary

#4381CC

secondary

#D3B898

accent

#9B47E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4381CC

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

Preview Lab → · Contrast checker → · Palette generator →