#4639AA#4639AA

#4639AA is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.1% C 0.173 H 281.5°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#4639AA
RGB	rgb(70, 57, 170)
HSL	hsl(247, 50%, 45%)
HSV	hsv(247, 66%, 67%)
CMYK	cmyk(58.8%, 66.5%, 0%, 33.3%)
CIE-LAB	lab(32.10, 38.11, -58.87)
CIE-LCH	lch(32.10, 70.13, 302.92°)
OKLab	oklab(43.08% 0.0345 -0.1694)
OKLCH	oklch(43.08% 0.173 281.5)
XYZ	xyz(11.2423, 7.1299, 38.8062)
Luminance	0.0713 (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

#4639AA #9DAA39

analogous

#3964AA #4639AA #7F39AA

triadic

#4639AA #AA4639 #39AA46

tetradic

#4639AA #AA3964 #9DAA39 #39AA7F

square

#4639AA #AA3964 #9DAA39 #39AA7F

split-complementary

#4639AA #AA7F39 #64AA39

monochromatic

#201A4E #332A7C #4639AA #6659C7 #9087D7

Accessibility & contrast

On white

8.66

#4639AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#4639AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4639AA

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4639AA	#FFFFFF	#000000	##FFFFFF
##4639AA	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAE

Deuteranopia (green-blind)

#0047A8

Tritanopia (blue-blind)

#06566C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4639aa;
/* rgb */ color: rgb(70, 57, 170);
/* oklch */ color: oklch(43.1% 0.173 281.5);

Tailwind

colors: {
  custom: {
    50: '#8470c4',
    500: '#4639aa',
    950: '#000000',
  },
}

SCSS

$custom: #4639aa;
$custom-light: #8470c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4639aa",
  "rgb": {
    "r": 70,
    "g": 57,
    "b": 170
  },
  "hsl": {
    "h": 246.903,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.43078,
    "c": 0.17288,
    "h": 281.5
  },
  "luminance": 0.07131
}

Semantic roles & 50–950 ramp

primary

#4639AA

secondary

#B9C17E

accent

#D94EC9

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4639AA

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

Preview Lab → · Contrast checker → · Palette generator →