#4637BD#4637BD

#4637BD is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.5% C 0.199 H 279.6°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#4637BD
RGB	rgb(70, 55, 189)
HSL	hsl(247, 55%, 48%)
HSV	hsv(247, 71%, 74%)
CMYK	cmyk(63%, 70.9%, 0%, 25.9%)
CIE-LAB	lab(33.37, 45.32, -68.08)
CIE-LCH	lch(33.37, 81.79, 303.65°)
OKLab	oklab(44.51% 0.0332 -0.1964)
OKLCH	oklch(44.51% 0.199 279.6)
XYZ	xyz(13.0744, 7.7076, 48.9330)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4637BD #AEBD37

analogous

#376BBD #4637BD #8937BD

triadic

#4637BD #BD4637 #37BD46

tetradic

#4637BD #BD376B #AEBD37 #37BD89

square

#4637BD #BD376B #AEBD37 #37BD89

split-complementary

#4637BD #BD8937 #6BBD37

monochromatic

#231B5E #34298E #4637BD #6D60D1 #9990DF

Accessibility & contrast

On white

8.26

#4637BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#4637BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4637BD

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4637BD	#FFFFFF	#000000	##FFFFFF
##4637BD	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C1

Deuteranopia (green-blind)

#0049BA

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4637bd;
/* rgb */ color: rgb(70, 55, 189);
/* oklch */ color: oklch(44.5% 0.199 279.6);

Tailwind

colors: {
  custom: {
    50: '#8870d2',
    500: '#4637bd',
    950: '#000000',
  },
}

SCSS

$custom: #4637bd;
$custom-light: #8870d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4637bd",
  "rgb": {
    "r": 70,
    "g": 55,
    "b": 189
  },
  "hsl": {
    "h": 246.716,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44506,
    "c": 0.19918,
    "h": 279.6
  },
  "luminance": 0.07709
}

Semantic roles & 50–950 ramp

primary

#4637BD

secondary

#C2C986

accent

#DE4ACE

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4637BD

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

Preview Lab → · Contrast checker → · Palette generator →