#4377D3#4377D3

#4377D3 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.0% C 0.152 H 260.9°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4377D3
RGB	rgb(67, 119, 211)
HSL	hsl(218, 62%, 55%)
HSV	hsv(218, 68%, 83%)
CMYK	cmyk(68.2%, 43.6%, 0%, 17.3%)
CIE-LAB	lab(50.79, 12.77, -52.56)
CIE-LCH	lch(50.79, 54.09, 283.65°)
OKLab	oklab(57.98% -0.0241 -0.1502)
OKLCH	oklch(57.98% 0.152 260.9)
XYZ	xyz(20.6652, 19.0880, 64.2107)
Luminance	0.1909 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377D3 #D39F43

analogous

#43BFD3 #4377D3 #5743D3

triadic

#4377D3 #D34377 #77D343

tetradic

#4377D3 #D343BF #D39F43 #43D357

square

#4377D3 #D343BF #D39F43 #43D357

split-complementary

#4377D3 #D35743 #BFD343

monochromatic

#1E407E #295AB0 #4377D3 #759BDF #A6BFEA

Accessibility & contrast

On white

4.36

#4377D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#4377D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377D3

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377D3	#FFFFFF	#000000	##000000
##4377D3	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A80D7

Deuteranopia (green-blind)

#3173D1

Tritanopia (blue-blind)

#008C9B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4377d3;
/* rgb */ color: rgb(67, 119, 211);
/* oklch */ color: oklch(58.0% 0.152 260.9);

Tailwind

colors: {
  custom: {
    50: '#879de1',
    500: '#4377d3',
    950: '#000000',
  },
}

SCSS

$custom: #4377d3;
$custom-light: #879de1;
$custom-dark: #000000;

JSON

{
  "hex": "#4377d3",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 211
  },
  "hsl": {
    "h": 218.333,
    "s": 62.069,
    "l": 54.51
  },
  "oklch": {
    "l": 0.57982,
    "c": 0.15216,
    "h": 260.9
  },
  "luminance": 0.1909
}

Semantic roles & 50–950 ramp

primary

#4377D3

secondary

#D7C19A

accent

#AA43E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4377D3

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

Preview Lab → · Contrast checker → · Palette generator →