#4371C4#4371C4

#4371C4 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.7% C 0.139 H 261.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4371C4
RGB	rgb(67, 113, 196)
HSL	hsl(219, 52%, 52%)
HSV	hsv(219, 66%, 77%)
CMYK	cmyk(65.8%, 42.3%, 0%, 23.1%)
CIE-LAB	lab(48.24, 11.17, -48.06)
CIE-LCH	lch(48.24, 49.35, 283.09°)
OKLab	oklab(55.74% -0.0212 -0.1371)
OKLCH	oklch(55.74% 0.139 261.2)
XYZ	xyz(18.1801, 16.9873, 54.5346)
Luminance	0.1699 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4371C4 #C49643

analogous

#43B2C4 #4371C4 #5643C4

triadic

#4371C4 #C44371 #71C443

tetradic

#4371C4 #C443B2 #C49643 #43C456

square

#4371C4 #C443B2 #C49643 #43C456

split-complementary

#4371C4 #C45643 #B2C443

monochromatic

#223C6B #30569A #4371C4 #7294D3 #A0B7E1

Accessibility & contrast

On white

4.78

#4371C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#4371C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4371C4

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4371C4	#FFFFFF	#000000	##FFFFFF
##4371C4	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A79C7

Deuteranopia (green-blind)

#366DC2

Tritanopia (blue-blind)

#008491

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4371c4;
/* rgb */ color: rgb(67, 113, 196);
/* oklch */ color: oklch(55.7% 0.139 261.2);

Tailwind

colors: {
  custom: {
    50: '#8499d6',
    500: '#4371c4',
    950: '#000000',
  },
}

SCSS

$custom: #4371c4;
$custom-light: #8499d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4371c4",
  "rgb": {
    "r": 67,
    "g": 113,
    "b": 196
  },
  "hsl": {
    "h": 218.605,
    "s": 52.227,
    "l": 51.569
  },
  "oklch": {
    "l": 0.55735,
    "c": 0.13874,
    "h": 261.2
  },
  "luminance": 0.16989
}

Semantic roles & 50–950 ramp

primary

#4371C4

secondary

#CEBA95

accent

#A84CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4371C4

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

Preview Lab → · Contrast checker → · Palette generator →