#4377D0#4377D0

#4377D0 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.8% C 0.148 H 260.4°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#4377D0
RGB	rgb(67, 119, 208)
HSL	hsl(218, 60%, 54%)
HSV	hsv(218, 68%, 82%)
CMYK	cmyk(67.8%, 42.8%, 0%, 18.4%)
CIE-LAB	lab(50.62, 11.70, -51.14)
CIE-LCH	lch(50.62, 52.46, 282.89°)
OKLab	oklab(57.79% -0.0246 -0.1461)
OKLCH	oklch(57.79% 0.148 260.4)
XYZ	xyz(20.2927, 18.9390, 62.2484)
Luminance	0.1894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377D0 #D09C43

analogous

#43BED0 #4377D0 #5643D0

triadic

#4377D0 #D04377 #77D043

tetradic

#4377D0 #D043BE #D09C43 #43D056

square

#4377D0 #D043BE #D09C43 #43D056

split-complementary

#4377D0 #D05643 #BED043

monochromatic

#1F407A #2B5AAB #4377D0 #749ADC #A5BEE8

Accessibility & contrast

On white

4.39

#4377D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#4377D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377D0

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377D0	#FFFFFF	#000000	##000000
##4377D0	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D80D3

Deuteranopia (green-blind)

#3572CE

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4377d0;
/* rgb */ color: rgb(67, 119, 208);
/* oklch */ color: oklch(57.8% 0.148 260.4);

Tailwind

colors: {
  custom: {
    50: '#869ddf',
    500: '#4377d0',
    950: '#000000',
  },
}

SCSS

$custom: #4377d0;
$custom-light: #869ddf;
$custom-dark: #000000;

JSON

{
  "hex": "#4377d0",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 208
  },
  "hsl": {
    "h": 217.872,
    "s": 60,
    "l": 53.922
  },
  "oklch": {
    "l": 0.57791,
    "c": 0.14811,
    "h": 260.4
  },
  "luminance": 0.18941
}

Semantic roles & 50–950 ramp

primary

#4377D0

secondary

#D5BF99

accent

#A945E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4377D0

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

Preview Lab → · Contrast checker → · Palette generator →