#4371CD#4371CD

#4371CD is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.3% C 0.151 H 262.6°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4371CD
RGB	rgb(67, 113, 205)
HSL	hsl(220, 58%, 53%)
HSV	hsv(220, 67%, 80%)
CMYK	cmyk(67.3%, 44.9%, 0%, 19.6%)
CIE-LAB	lab(48.77, 14.37, -52.38)
CIE-LCH	lch(48.77, 54.31, 285.34°)
OKLab	oklab(56.31% -0.0195 -0.1498)
OKLCH	oklch(56.31% 0.151 262.6)
XYZ	xyz(19.2354, 17.4094, 60.0924)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4371CD #CD9F43

analogous

#43B6CD #4371CD #5A43CD

triadic

#4371CD #CD4371 #71CD43

tetradic

#4371CD #CD43B6 #CD9F43 #43CD5A

square

#4371CD #CD43B6 #CD9F43 #43CD5A

split-complementary

#4371CD #CD5A43 #B6CD43

monochromatic

#1F3C76 #2C55A7 #4371CD #7396DA #A4BAE7

Accessibility & contrast

On white

4.69

#4371CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#4371CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4371CD

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4371CD	#FFFFFF	#000000	##FFFFFF
##4371CD	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#447BD0

Deuteranopia (green-blind)

#2A6ECB

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4371cd;
/* rgb */ color: rgb(67, 113, 205);
/* oklch */ color: oklch(56.3% 0.151 262.6);

Tailwind

colors: {
  custom: {
    50: '#8699dd',
    500: '#4371cd',
    950: '#000000',
  },
}

SCSS

$custom: #4371cd;
$custom-light: #8699dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4371cd",
  "rgb": {
    "r": 67,
    "g": 113,
    "b": 205
  },
  "hsl": {
    "h": 220,
    "s": 57.983,
    "l": 53.333
  },
  "oklch": {
    "l": 0.56313,
    "c": 0.15106,
    "h": 262.6
  },
  "luminance": 0.17411
}

Semantic roles & 50–950 ramp

primary

#4371CD

secondary

#D4C098

accent

#AE47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4371CD

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

Preview Lab → · Contrast checker → · Palette generator →