#4639BD#4639BD

#4639BD is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.8% C 0.197 H 279.3°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#4639BD
RGB	rgb(70, 57, 189)
HSL	hsl(246, 54%, 48%)
HSV	hsv(246, 70%, 74%)
CMYK	cmyk(63%, 69.8%, 0%, 25.9%)
CIE-LAB	lab(33.78, 44.19, -67.41)
CIE-LCH	lch(33.78, 80.60, 303.25°)
OKLab	oklab(44.8% 0.0318 -0.1944)
OKLCH	oklch(44.8% 0.197 279.3)
XYZ	xyz(13.1713, 7.9014, 48.9653)
Luminance	0.0790 (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

#4639BD #B0BD39

analogous

#396EBD #4639BD #8839BD

triadic

#4639BD #BD4639 #39BD46

tetradic

#4639BD #BD396E #B0BD39 #39BD88

square

#4639BD #BD396E #B0BD39 #39BD88

split-complementary

#4639BD #BD8839 #6EBD39

monochromatic

#231D5F #352B8E #4639BD #6E63D0 #9A92DE

Accessibility & contrast

On white

8.14

#4639BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#4639BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4639BD

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4639BD	#FFFFFF	#000000	##FFFFFF
##4639BD	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C1

Deuteranopia (green-blind)

#004ABB

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4639bd;
/* rgb */ color: rgb(70, 57, 189);
/* oklch */ color: oklch(44.8% 0.197 279.3);

Tailwind

colors: {
  custom: {
    50: '#8871d2',
    500: '#4639bd',
    950: '#000000',
  },
}

SCSS

$custom: #4639bd;
$custom-light: #8871d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4639bd",
  "rgb": {
    "r": 70,
    "g": 57,
    "b": 189
  },
  "hsl": {
    "h": 245.909,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.448,
    "c": 0.197,
    "h": 279.3
  },
  "luminance": 0.07902
}

Semantic roles & 50–950 ramp

primary

#4639BD

secondary

#C3C989

accent

#DD4BCF

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4639BD

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

Preview Lab → · Contrast checker → · Palette generator →