#4381B2#4381B2

#4381B2 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.3% C 0.099 H 244.6°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#4381B2
RGB	rgb(67, 129, 178)
HSL	hsl(206, 45%, 48%)
HSV	hsv(206, 62%, 70%)
CMYK	cmyk(62.4%, 27.5%, 0%, 30.2%)
CIE-LAB	lab(51.96, -4.74, -31.84)
CIE-LCH	lch(51.96, 32.19, 261.54°)
OKLab	oklab(58.34% -0.0426 -0.0896)
OKLCH	oklch(58.34% 0.099 244.6)
XYZ	xyz(18.1979, 20.1064, 45.0327)
Luminance	0.2011 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4381B2 #B27443

analogous

#43B2AB #4381B2 #434AB2

triadic

#4381B2 #B24381 #81B243

tetradic

#4381B2 #AB43B2 #B27443 #4AB243

square

#4381B2 #AB43B2 #B27443 #4AB243

split-complementary

#4381B2 #B2434A #B2AB43

monochromatic

#224159 #326186 #4381B2 #6B9FC7 #97BBD8

Accessibility & contrast

On white

4.18

#4381B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#4381B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4381B2

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4381B2	#FFFFFF	#000000	##000000
##4381B2	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B82B4

Deuteranopia (green-blind)

#5C77B1

Tritanopia (blue-blind)

#008D92

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4381b2;
/* rgb */ color: rgb(67, 129, 178);
/* oklch */ color: oklch(58.3% 0.099 244.6);

Tailwind

colors: {
  custom: {
    50: '#81a5c9',
    500: '#4381b2',
    950: '#000000',
  },
}

SCSS

$custom: #4381b2;
$custom-light: #81a5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4381b2",
  "rgb": {
    "r": 67,
    "g": 129,
    "b": 178
  },
  "hsl": {
    "h": 206.486,
    "s": 45.306,
    "l": 48.039
  },
  "oklch": {
    "l": 0.58336,
    "c": 0.09922,
    "h": 244.6
  },
  "luminance": 0.20108
}

Semantic roles & 50–950 ramp

primary

#4381B2

secondary

#C4A58D

accent

#8C53D5

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4381B2

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

Preview Lab → · Contrast checker → · Palette generator →