#4381BF#4381BF

#4381BF is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 59.0% C 0.115 H 250.4°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#4381BF
RGB	rgb(67, 129, 191)
HSL	hsl(210, 49%, 51%)
HSV	hsv(210, 65%, 75%)
CMYK	cmyk(64.9%, 32.5%, 0%, 25.1%)
CIE-LAB	lab(52.57, -0.33, -38.35)
CIE-LCH	lch(52.57, 38.35, 269.51°)
OKLab	oklab(59.02% -0.0387 -0.1085)
OKLCH	oklch(59.02% 0.115 250.4)
XYZ	xyz(19.5655, 20.6535, 52.2355)
Luminance	0.2066 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4381BF #BF8143

analogous

#43BFBF #4381BF #4343BF

triadic

#4381BF #BF4381 #81BF43

tetradic

#4381BF #BF43BF #BF8143 #43BF43

square

#4381BF #BF43BF #BF8143 #43BF43

split-complementary

#4381BF #BF4343 #BFBF43

monochromatic

#224465 #326293 #4381BF #71A0CF #9EBEDE

Accessibility & contrast

On white

4.09

#4381BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#4381BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4381BF

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4381BF	#FFFFFF	#000000	##000000
##4381BF	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6684C2

Deuteranopia (green-blind)

#5578BE

Tritanopia (blue-blind)

#009097

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4381bf;
/* rgb */ color: rgb(67, 129, 191);
/* oklch */ color: oklch(59.0% 0.115 250.4);

Tailwind

colors: {
  custom: {
    50: '#83a5d2',
    500: '#4381bf',
    950: '#000000',
  },
}

SCSS

$custom: #4381bf;
$custom-light: #83a5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4381bf",
  "rgb": {
    "r": 67,
    "g": 129,
    "b": 191
  },
  "hsl": {
    "h": 210,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.59017,
    "c": 0.11517,
    "h": 250.4
  },
  "luminance": 0.20655
}

Semantic roles & 50–950 ramp

primary

#4381BF

secondary

#CAAF93

accent

#944FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4381BF

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

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