#4377CD#4377CD

#4377CD is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.6% C 0.144 H 259.9°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4377CD
RGB	rgb(67, 119, 205)
HSL	hsl(217, 58%, 53%)
HSV	hsv(217, 67%, 80%)
CMYK	cmyk(67.3%, 42%, 0%, 19.6%)
CIE-LAB	lab(50.44, 10.64, -49.70)
CIE-LCH	lch(50.44, 50.83, 282.08°)
OKLab	oklab(57.6% -0.0252 -0.1418)
OKLCH	oklch(57.6% 0.144 259.9)
XYZ	xyz(19.9271, 18.7927, 60.3230)
Luminance	0.1880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377CD #CD9943

analogous

#43BCCD #4377CD #5443CD

triadic

#4377CD #CD4377 #77CD43

tetradic

#4377CD #CD43BC #CD9943 #43CD54

square

#4377CD #CD43BC #CD9943 #43CD54

split-complementary

#4377CD #CD5443 #BCCD43

monochromatic

#1F4076 #2C5AA7 #4377CD #739ADA #A4BDE7

Accessibility & contrast

On white

4.41

#4377CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#4377CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377CD

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377CD	#FFFFFF	#000000	##000000
##4377CD	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7FD0

Deuteranopia (green-blind)

#3872CB

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4377cd;
/* rgb */ color: rgb(67, 119, 205);
/* oklch */ color: oklch(57.6% 0.144 259.9);

Tailwind

colors: {
  custom: {
    50: '#869ddd',
    500: '#4377cd',
    950: '#000000',
  },
}

SCSS

$custom: #4377cd;
$custom-light: #869ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#4377cd",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 205
  },
  "hsl": {
    "h": 217.391,
    "s": 57.983,
    "l": 53.333
  },
  "oklch": {
    "l": 0.57602,
    "c": 0.14407,
    "h": 259.9
  },
  "luminance": 0.18795
}

Semantic roles & 50–950 ramp

primary

#4377CD

secondary

#D4BD98

accent

#A747E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4377CD

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

Preview Lab → · Contrast checker → · Palette generator →