#4371C6#4371C6

#4371C6 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.9% C 0.141 H 261.6°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4371C6
RGB	rgb(67, 113, 198)
HSL	hsl(219, 53%, 52%)
HSV	hsv(219, 66%, 78%)
CMYK	cmyk(66.2%, 42.9%, 0%, 22.4%)
CIE-LAB	lab(48.36, 11.88, -49.03)
CIE-LCH	lch(48.36, 50.45, 283.62°)
OKLab	oklab(55.86% -0.0208 -0.1399)
OKLCH	oklch(55.86% 0.141 261.6)
XYZ	xyz(18.4093, 17.0790, 55.7415)
Luminance	0.1708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4371C6 #C69843

analogous

#43B3C6 #4371C6 #5743C6

triadic

#4371C6 #C64371 #71C643

tetradic

#4371C6 #C643B3 #C69843 #43C657

square

#4371C6 #C643B3 #C69843 #43C657

split-complementary

#4371C6 #C65743 #B3C643

monochromatic

#213C6D #2F569C #4371C6 #7294D4 #A1B8E2

Accessibility & contrast

On white

4.76

#4371C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#4371C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4371C6

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4371C6	#FFFFFF	#000000	##FFFFFF
##4371C6	1.00	4.76	4.42	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4979C9

Deuteranopia (green-blind)

#346DC4

Tritanopia (blue-blind)

#008592

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4371c6;
/* rgb */ color: rgb(67, 113, 198);
/* oklch */ color: oklch(55.9% 0.141 261.6);

Tailwind

colors: {
  custom: {
    50: '#8499d8',
    500: '#4371c6',
    950: '#000000',
  },
}

SCSS

$custom: #4371c6;
$custom-light: #8499d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4371c6",
  "rgb": {
    "r": 67,
    "g": 113,
    "b": 198
  },
  "hsl": {
    "h": 218.931,
    "s": 53.469,
    "l": 51.961
  },
  "oklch": {
    "l": 0.55862,
    "c": 0.14148,
    "h": 261.6
  },
  "luminance": 0.17081
}

Semantic roles & 50–950 ramp

primary

#4371C6

secondary

#CFBB96

accent

#AA4BDD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4371C6

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

Preview Lab → · Contrast checker → · Palette generator →