#4639B2#4639B2

#4639B2 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.8% C 0.183 H 280.5°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#4639B2
RGB	rgb(70, 57, 178)
HSL	hsl(246, 51%, 46%)
HSV	hsv(246, 68%, 70%)
CMYK	cmyk(60.7%, 68%, 0%, 30.2%)
CIE-LAB	lab(32.79, 40.68, -62.51)
CIE-LCH	lch(32.79, 74.58, 303.05°)
OKLab	oklab(43.79% 0.0335 -0.1801)
OKLCH	oklch(43.79% 0.183 280.5)
XYZ	xyz(12.0223, 7.4418, 42.9137)
Luminance	0.0744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.62

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4639B2 #A5B239

analogous

#3968B2 #4639B2 #8239B2

triadic

#4639B2 #B24639 #39B246

tetradic

#4639B2 #B23968 #A5B239 #39B282

square

#4639B2 #B23968 #A5B239 #39B282

split-complementary

#4639B2 #B28239 #68B239

monochromatic

#221B55 #342A84 #4639B2 #695DCB #948BDA

Accessibility & contrast

On white

8.44

#4639B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#4639B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4639B2

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4639B2	#FFFFFF	#000000	##FFFFFF
##4639B2	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B6

Deuteranopia (green-blind)

#0049B0

Tritanopia (blue-blind)

#005971

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4639b2;
/* rgb */ color: rgb(70, 57, 178);
/* oklch */ color: oklch(43.8% 0.183 280.5);

Tailwind

colors: {
  custom: {
    50: '#8571ca',
    500: '#4639b2',
    950: '#000000',
  },
}

SCSS

$custom: #4639b2;
$custom-light: #8571ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4639b2",
  "rgb": {
    "r": 70,
    "g": 57,
    "b": 178
  },
  "hsl": {
    "h": 246.446,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43791,
    "c": 0.18318,
    "h": 280.5
  },
  "luminance": 0.07443
}

Semantic roles & 50–950 ramp

primary

#4639B2

secondary

#BDC482

accent

#DB4DCC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4639B2

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

Preview Lab → · Contrast checker → · Palette generator →