#4377CA#4377CA

#4377CA is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.4% C 0.140 H 259.4°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4377CA
RGB	rgb(67, 119, 202)
HSL	hsl(217, 56%, 53%)
HSV	hsv(217, 67%, 79%)
CMYK	cmyk(66.8%, 41.1%, 0%, 20.8%)
CIE-LAB	lab(50.27, 9.57, -48.26)
CIE-LCH	lch(50.27, 49.20, 281.22°)
OKLab	oklab(57.42% -0.0258 -0.1376)
OKLCH	oklch(57.42% 0.14 259.4)
XYZ	xyz(19.5684, 18.6493, 58.4341)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377CA #CA9643

analogous

#43BACA #4377CA #5243CA

triadic

#4377CA #CA4377 #77CA43

tetradic

#4377CA #CA43BA #CA9643 #43CA52

square

#4377CA #CA43BA #CA9643 #43CA52

split-complementary

#4377CA #CA5243 #BACA43

monochromatic

#204072 #2E5BA2 #4377CA #739AD7 #A2BCE5

Accessibility & contrast

On white

4.44

#4377CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#4377CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377CA

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377CA	#FFFFFF	#000000	##000000
##4377CA	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#517ECD

Deuteranopia (green-blind)

#3C72C8

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4377ca;
/* rgb */ color: rgb(67, 119, 202);
/* oklch */ color: oklch(57.4% 0.140 259.4);

Tailwind

colors: {
  custom: {
    50: '#859dda',
    500: '#4377ca',
    950: '#000000',
  },
}

SCSS

$custom: #4377ca;
$custom-light: #859dda;
$custom-dark: #000000;

JSON

{
  "hex": "#4377ca",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 202
  },
  "hsl": {
    "h": 216.889,
    "s": 56.017,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57416,
    "c": 0.14002,
    "h": 259.4
  },
  "luminance": 0.18651
}

Semantic roles & 50–950 ramp

primary

#4377CA

secondary

#D2BB97

accent

#A548DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4377CA

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

Preview Lab → · Contrast checker → · Palette generator →