#4639BC#4639BC

#4639BC is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.7% C 0.196 H 279.4°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#4639BC
RGB	rgb(70, 57, 188)
HSL	hsl(246, 53%, 48%)
HSV	hsv(246, 70%, 74%)
CMYK	cmyk(62.8%, 69.7%, 0%, 26.3%)
CIE-LAB	lab(33.69, 43.87, -66.97)
CIE-LCH	lch(33.69, 80.06, 303.23°)
OKLab	oklab(44.71% 0.032 -0.1931)
OKLCH	oklch(44.71% 0.196 279.4)
XYZ	xyz(13.0631, 7.8582, 48.3956)
Luminance	0.0786 (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

#4639BC #AFBC39

analogous

#396EBC #4639BC #8739BC

triadic

#4639BC #BC4639 #39BC46

tetradic

#4639BC #BC396E #AFBC39 #39BC87

square

#4639BC #BC396E #AFBC39 #39BC87

split-complementary

#4639BC #BC8739 #6EBC39

monochromatic

#231D5E #352B8D #4639BC #6D63D0 #9992DE

Accessibility & contrast

On white

8.17

#4639BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#4639BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4639BC

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4639BC	#FFFFFF	#000000	##FFFFFF
##4639BC	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C0

Deuteranopia (green-blind)

#004ABA

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4639bc;
/* rgb */ color: rgb(70, 57, 188);
/* oklch */ color: oklch(44.7% 0.196 279.4);

Tailwind

colors: {
  custom: {
    50: '#8771d1',
    500: '#4639bc',
    950: '#000000',
  },
}

SCSS

$custom: #4639bc;
$custom-light: #8771d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4639bc",
  "rgb": {
    "r": 70,
    "g": 57,
    "b": 188
  },
  "hsl": {
    "h": 245.954,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44707,
    "c": 0.19576,
    "h": 279.4
  },
  "luminance": 0.07859
}

Semantic roles & 50–950 ramp

primary

#4639BC

secondary

#C2C988

accent

#DD4BCE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #4639BC

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

Preview Lab → · Contrast checker → · Palette generator →