#4639B8#4639B8

#4639B8 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.3% C 0.191 H 279.8°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#4639B8
RGB	rgb(70, 57, 184)
HSL	hsl(246, 53%, 47%)
HSV	hsv(246, 69%, 72%)
CMYK	cmyk(62%, 69%, 0%, 27.8%)
CIE-LAB	lab(33.32, 42.59, -65.20)
CIE-LCH	lch(33.32, 77.88, 303.16°)
OKLab	oklab(44.34% 0.0326 -0.188)
OKLCH	oklch(44.34% 0.191 279.8)
XYZ	xyz(12.6379, 7.6881, 46.1561)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.60

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4639B8 #ABB839

analogous

#396BB8 #4639B8 #8639B8

triadic

#4639B8 #B84639 #39B846

tetradic

#4639B8 #B8396B #ABB839 #39B886

square

#4639B8 #B8396B #ABB839 #39B886

split-complementary

#4639B8 #B88639 #6BB839

monochromatic

#221C5B #342B89 #4639B8 #6C60CE #978FDC

Accessibility & contrast

On white

8.27

#4639B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#4639B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4639B8

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4639B8	#FFFFFF	#000000	##FFFFFF
##4639B8	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BC

Deuteranopia (green-blind)

#0049B6

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4639b8;
/* rgb */ color: rgb(70, 57, 184);
/* oklch */ color: oklch(44.3% 0.191 279.8);

Tailwind

colors: {
  custom: {
    50: '#8771ce',
    500: '#4639b8',
    950: '#000000',
  },
}

SCSS

$custom: #4639b8;
$custom-light: #8771ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4639b8",
  "rgb": {
    "r": 70,
    "g": 57,
    "b": 184
  },
  "hsl": {
    "h": 246.142,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44337,
    "c": 0.19076,
    "h": 279.8
  },
  "luminance": 0.07689
}

Semantic roles & 50–950 ramp

primary

#4639B8

secondary

#C0C786

accent

#DC4CCD

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4639B8

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

Preview Lab → · Contrast checker → · Palette generator →