#4377D2#4377D2

#4377D2 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 57.9% C 0.151 H 260.7°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#4377D2
RGB	rgb(67, 119, 210)
HSL	hsl(218, 61%, 54%)
HSV	hsv(218, 68%, 82%)
CMYK	cmyk(68.1%, 43.3%, 0%, 17.6%)
CIE-LAB	lab(50.73, 12.41, -52.09)
CIE-LCH	lch(50.73, 53.55, 283.40°)
OKLab	oklab(57.92% -0.0243 -0.1488)
OKLCH	oklch(57.92% 0.151 260.7)
XYZ	xyz(20.5403, 19.0380, 63.5525)
Luminance	0.1904 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377D2 #D29E43

analogous

#43BED2 #4377D2 #5743D2

triadic

#4377D2 #D24377 #77D243

tetradic

#4377D2 #D243BE #D29E43 #43D257

square

#4377D2 #D243BE #D29E43 #43D257

split-complementary

#4377D2 #D25743 #BED243

monochromatic

#1E407D #2A5AAE #4377D2 #749BDE #A6BEEA

Accessibility & contrast

On white

4.37

#4377D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#4377D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377D2

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377D2	#FFFFFF	#000000	##000000
##4377D2	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B80D5

Deuteranopia (green-blind)

#3273D0

Tritanopia (blue-blind)

#008C9A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4377d2;
/* rgb */ color: rgb(67, 119, 210);
/* oklch */ color: oklch(57.9% 0.151 260.7);

Tailwind

colors: {
  custom: {
    50: '#869de0',
    500: '#4377d2',
    950: '#000000',
  },
}

SCSS

$custom: #4377d2;
$custom-light: #869de0;
$custom-dark: #000000;

JSON

{
  "hex": "#4377d2",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 210
  },
  "hsl": {
    "h": 218.182,
    "s": 61.373,
    "l": 54.314
  },
  "oklch": {
    "l": 0.57918,
    "c": 0.15082,
    "h": 260.7
  },
  "luminance": 0.1904
}

Semantic roles & 50–950 ramp

primary

#4377D2

secondary

#D7C19A

accent

#AA43E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4377D2

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

Preview Lab → · Contrast checker → · Palette generator →