#4381BC#4381BC

#4381BC is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.9% C 0.111 H 249.2°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#4381BC
RGB	rgb(67, 129, 188)
HSL	hsl(209, 47%, 50%)
HSV	hsv(209, 64%, 74%)
CMYK	cmyk(64.4%, 31.4%, 0%, 26.3%)
CIE-LAB	lab(52.42, -1.35, -36.86)
CIE-LCH	lch(52.42, 36.88, 267.90°)
OKLab	oklab(58.86% -0.0395 -0.1041)
OKLCH	oklch(58.86% 0.111 249.2)
XYZ	xyz(19.2387, 20.5227, 50.5146)
Luminance	0.2052 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4381BC #BC7E43

analogous

#43BCBA #4381BC #4345BC

triadic

#4381BC #BC4381 #81BC43

tetradic

#4381BC #BA43BC #BC7E43 #45BC43

square

#4381BC #BA43BC #BC7E43 #45BC43

split-complementary

#4381BC #BC4345 #BCBA43

monochromatic

#234362 #33628F #4381BC #709FCC #9DBDDC

Accessibility & contrast

On white

4.11

#4381BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#4381BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4381BC

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4381BC	#FFFFFF	#000000	##000000
##4381BC	1.00	4.11	5.10	5.10
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6784BF

Deuteranopia (green-blind)

#5778BB

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4381bc;
/* rgb */ color: rgb(67, 129, 188);
/* oklch */ color: oklch(58.9% 0.111 249.2);

Tailwind

colors: {
  custom: {
    50: '#83a5d0',
    500: '#4381bc',
    950: '#000000',
  },
}

SCSS

$custom: #4381bc;
$custom-light: #83a5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4381bc",
  "rgb": {
    "r": 67,
    "g": 129,
    "b": 188
  },
  "hsl": {
    "h": 209.256,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.58856,
    "c": 0.1114,
    "h": 249.2
  },
  "luminance": 0.20525
}

Semantic roles & 50–950 ramp

primary

#4381BC

secondary

#C9AD92

accent

#9251D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4381BC

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

Preview Lab → · Contrast checker → · Palette generator →