#4381BD#4381BD

#4381BD is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.9% C 0.113 H 249.6°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#4381BD
RGB	rgb(67, 129, 189)
HSL	hsl(210, 48%, 50%)
HSV	hsv(210, 65%, 74%)
CMYK	cmyk(64.6%, 31.7%, 0%, 25.9%)
CIE-LAB	lab(52.47, -1.01, -37.35)
CIE-LCH	lch(52.47, 37.37, 268.45°)
OKLab	oklab(58.91% -0.0392 -0.1056)
OKLCH	oklch(58.91% 0.113 249.6)
XYZ	xyz(19.3469, 20.5660, 51.0843)
Luminance	0.2057 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4381BD #BD7F43

analogous

#43BDBC #4381BD #4344BD

triadic

#4381BD #BD4381 #81BD43

tetradic

#4381BD #BC43BD #BD7F43 #44BD43

square

#4381BD #BC43BD #BD7F43 #44BD43

split-complementary

#4381BD #BD4344 #BDBC43

monochromatic

#234363 #336290 #4381BD #709FCD #9EBEDD

Accessibility & contrast

On white

4.11

#4381BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#4381BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4381BD

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4381BD	#FFFFFF	#000000	##000000
##4381BD	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6784C0

Deuteranopia (green-blind)

#5678BC

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4381bd;
/* rgb */ color: rgb(67, 129, 189);
/* oklch */ color: oklch(58.9% 0.113 249.6);

Tailwind

colors: {
  custom: {
    50: '#83a5d1',
    500: '#4381bd',
    950: '#000000',
  },
}

SCSS

$custom: #4381bd;
$custom-light: #83a5d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4381bd",
  "rgb": {
    "r": 67,
    "g": 129,
    "b": 189
  },
  "hsl": {
    "h": 209.508,
    "s": 48.031,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58909,
    "c": 0.11265,
    "h": 249.6
  },
  "luminance": 0.20568
}

Semantic roles & 50–950 ramp

primary

#4381BD

secondary

#C9AD93

accent

#9350D8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4381BD

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

Preview Lab → · Contrast checker → · Palette generator →