#4639B9#4639B9

#4639B9 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.4% C 0.192 H 279.7°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#4639B9
RGB	rgb(70, 57, 185)
HSL	hsl(246, 53%, 47%)
HSV	hsv(246, 69%, 73%)
CMYK	cmyk(62.2%, 69.2%, 0%, 27.5%)
CIE-LAB	lab(33.41, 42.91, -65.64)
CIE-LCH	lch(33.41, 78.42, 303.17°)
OKLab	oklab(44.43% 0.0324 -0.1893)
OKLCH	oklch(44.43% 0.192 279.7)
XYZ	xyz(12.7431, 7.7302, 46.7101)
Luminance	0.0773 (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

#4639B9 #ACB939

analogous

#396CB9 #4639B9 #8639B9

triadic

#4639B9 #B94639 #39B946

tetradic

#4639B9 #B9396C #ACB939 #39B986

square

#4639B9 #B9396C #ACB939 #39B986

split-complementary

#4639B9 #B98639 #6CB939

monochromatic

#231C5B #342B8A #4639B9 #6C61CE #9890DD

Accessibility & contrast

On white

8.25

#4639B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4639B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4639B9

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4639B9	#FFFFFF	#000000	##FFFFFF
##4639B9	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BD

Deuteranopia (green-blind)

#004AB7

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4639b9;
/* rgb */ color: rgb(70, 57, 185);
/* oklch */ color: oklch(44.4% 0.192 279.7);

Tailwind

colors: {
  custom: {
    50: '#8771cf',
    500: '#4639b9',
    950: '#000000',
  },
}

SCSS

$custom: #4639b9;
$custom-light: #8771cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4639b9",
  "rgb": {
    "r": 70,
    "g": 57,
    "b": 185
  },
  "hsl": {
    "h": 246.094,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44429,
    "c": 0.19202,
    "h": 279.7
  },
  "luminance": 0.07731
}

Semantic roles & 50–950 ramp

primary

#4639B9

secondary

#C1C886

accent

#DC4BCE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4639B9

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

Preview Lab → · Contrast checker → · Palette generator →