#4371C3#4371C3

#4371C3 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.7% C 0.137 H 261.1°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4371C3
RGB	rgb(67, 113, 195)
HSL	hsl(218, 52%, 51%)
HSV	hsv(218, 66%, 76%)
CMYK	cmyk(65.6%, 42.1%, 0%, 23.5%)
CIE-LAB	lab(48.19, 10.82, -47.58)
CIE-LCH	lch(48.19, 48.80, 282.81°)
OKLab	oklab(55.67% -0.0214 -0.1357)
OKLCH	oklch(55.67% 0.137 261.1)
XYZ	xyz(18.0667, 16.9419, 53.9372)
Luminance	0.1694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4371C3 #C39543

analogous

#43B1C3 #4371C3 #5543C3

triadic

#4371C3 #C34371 #71C343

tetradic

#4371C3 #C343B1 #C39543 #43C355

square

#4371C3 #C343B1 #C39543 #43C355

split-complementary

#4371C3 #C35543 #B1C343

monochromatic

#223C6A #315698 #4371C3 #7194D2 #A0B7E1

Accessibility & contrast

On white

4.78

#4371C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#4371C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4371C3

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4371C3	#FFFFFF	#000000	##FFFFFF
##4371C3	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B79C6

Deuteranopia (green-blind)

#376DC1

Tritanopia (blue-blind)

#008490

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4371c3;
/* rgb */ color: rgb(67, 113, 195);
/* oklch */ color: oklch(55.7% 0.137 261.1);

Tailwind

colors: {
  custom: {
    50: '#8499d5',
    500: '#4371c3',
    950: '#000000',
  },
}

SCSS

$custom: #4371c3;
$custom-light: #8499d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4371c3",
  "rgb": {
    "r": 67,
    "g": 113,
    "b": 195
  },
  "hsl": {
    "h": 218.438,
    "s": 51.613,
    "l": 51.373
  },
  "oklch": {
    "l": 0.55673,
    "c": 0.13737,
    "h": 261.1
  },
  "luminance": 0.16944
}

Semantic roles & 50–950 ramp

primary

#4371C3

secondary

#CDB995

accent

#A84DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4371C3

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

Preview Lab → · Contrast checker → · Palette generator →