#4371DC#4371DC

#4371DC is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.3% C 0.171 H 264.2°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4371DC
RGB	rgb(67, 113, 220)
HSL	hsl(222, 69%, 56%)
HSV	hsv(222, 70%, 86%)
CMYK	cmyk(69.5%, 48.6%, 0%, 13.7%)
CIE-LAB	lab(49.70, 19.72, -59.41)
CIE-LCH	lch(49.70, 62.60, 288.36°)
OKLab	oklab(57.32% -0.0173 -0.1705)
OKLCH	oklch(57.32% 0.171 264.2)
XYZ	xyz(21.1336, 18.1687, 70.0894)
Luminance	0.1817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4371DC #DCAE43

analogous

#43BEDC #4371DC #6243DC

triadic

#4371DC #DC4371 #71DC43

tetradic

#4371DC #DC43BE #DCAE43 #43DC62

square

#4371DC #DC43BE #DCAE43 #43DC62

split-complementary

#4371DC #DC6243 #BEDC43

monochromatic

#1A3C8B #2352BE #4371DC #7798E6 #AABFEF

Accessibility & contrast

On white

4.53

#4371DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4371DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4371DC

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4371DC	#FFFFFF	#000000	##000000
##4371DC	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#357EE0

Deuteranopia (green-blind)

#0070DA

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4371dc;
/* rgb */ color: rgb(67, 113, 220);
/* oklch */ color: oklch(57.3% 0.171 264.2);

Tailwind

colors: {
  custom: {
    50: '#8999e7',
    500: '#4371dc',
    950: '#000000',
  },
}

SCSS

$custom: #4371dc;
$custom-light: #8999e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4371dc",
  "rgb": {
    "r": 67,
    "g": 113,
    "b": 220
  },
  "hsl": {
    "h": 221.961,
    "s": 68.61,
    "l": 56.275
  },
  "oklch": {
    "l": 0.57322,
    "c": 0.17135,
    "h": 264.2
  },
  "luminance": 0.18171
}

Semantic roles & 50–950 ramp

primary

#4371DC

secondary

#DDCA9E

accent

#B73CEB

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4371DC

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

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