#4371C8#4371C8

#4371C8 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.0% C 0.144 H 261.9°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4371C8
RGB	rgb(67, 113, 200)
HSL	hsl(219, 55%, 52%)
HSV	hsv(219, 67%, 78%)
CMYK	cmyk(66.5%, 43.5%, 0%, 21.6%)
CIE-LAB	lab(48.48, 12.59, -49.99)
CIE-LCH	lch(48.48, 51.55, 284.14°)
OKLab	oklab(55.99% -0.0204 -0.1428)
OKLCH	oklch(55.99% 0.144 261.9)
XYZ	xyz(18.6415, 17.1719, 56.9645)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4371C8 #C89A43

analogous

#43B4C8 #4371C8 #5743C8

triadic

#4371C8 #C84371 #71C843

tetradic

#4371C8 #C843B4 #C89A43 #43C857

square

#4371C8 #C843B4 #C89A43 #43C857

split-complementary

#4371C8 #C85743 #B4C843

monochromatic

#213C70 #2F569F #4371C8 #7295D6 #A2B9E4

Accessibility & contrast

On white

4.74

#4371C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#4371C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4371C8

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4371C8	#FFFFFF	#000000	##FFFFFF
##4371C8	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#487ACB

Deuteranopia (green-blind)

#316DC6

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4371c8;
/* rgb */ color: rgb(67, 113, 200);
/* oklch */ color: oklch(56.0% 0.144 261.9);

Tailwind

colors: {
  custom: {
    50: '#8599d9',
    500: '#4371c8',
    950: '#000000',
  },
}

SCSS

$custom: #4371c8;
$custom-light: #8599d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4371c8",
  "rgb": {
    "r": 67,
    "g": 113,
    "b": 200
  },
  "hsl": {
    "h": 219.248,
    "s": 54.733,
    "l": 52.353
  },
  "oklch": {
    "l": 0.55989,
    "c": 0.14422,
    "h": 261.9
  },
  "luminance": 0.17174
}

Semantic roles & 50–950 ramp

primary

#4371C8

secondary

#D0BC96

accent

#AB4ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4371C8

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

Preview Lab → · Contrast checker → · Palette generator →