#4377D5#4377D5

#4377D5 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.1% C 0.155 H 261.2°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#4377D5
RGB	rgb(67, 119, 213)
HSL	hsl(219, 63%, 55%)
HSV	hsv(219, 69%, 84%)
CMYK	cmyk(68.5%, 44.1%, 0%, 16.5%)
CIE-LAB	lab(50.91, 13.48, -53.51)
CIE-LCH	lch(50.91, 55.18, 284.14°)
OKLab	oklab(58.11% -0.0237 -0.153)
OKLCH	oklch(58.11% 0.155 261.2)
XYZ	xyz(20.9175, 19.1889, 65.5393)
Luminance	0.1919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377D5 #D5A143

analogous

#43C0D5 #4377D5 #5843D5

triadic

#4377D5 #D54377 #77D543

tetradic

#4377D5 #D543C0 #D5A143 #43D558

square

#4377D5 #D543C0 #D5A143 #43D558

split-complementary

#4377D5 #D55843 #C0D543

monochromatic

#1D4081 #2859B3 #4377D5 #759BE0 #A7BFEB

Accessibility & contrast

On white

4.34

#4377D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#4377D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377D5

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377D5	#FFFFFF	#000000	##000000
##4377D5	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4980D9

Deuteranopia (green-blind)

#2E73D3

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4377d5;
/* rgb */ color: rgb(67, 119, 213);
/* oklch */ color: oklch(58.1% 0.155 261.2);

Tailwind

colors: {
  custom: {
    50: '#879de2',
    500: '#4377d5',
    950: '#000000',
  },
}

SCSS

$custom: #4377d5;
$custom-light: #879de2;
$custom-dark: #000000;

JSON

{
  "hex": "#4377d5",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 213
  },
  "hsl": {
    "h": 218.63,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.5811,
    "c": 0.15485,
    "h": 261.2
  },
  "luminance": 0.19191
}

Semantic roles & 50–950 ramp

primary

#4377D5

secondary

#D9C39B

accent

#AC41E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4377D5

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

Preview Lab → · Contrast checker → · Palette generator →