#4639B7#4639B7

#4639B7 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.2% C 0.190 H 279.9°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#4639B7
RGB	rgb(70, 57, 183)
HSL	hsl(246, 53%, 47%)
HSV	hsv(246, 69%, 72%)
CMYK	cmyk(61.7%, 68.9%, 0%, 28.2%)
CIE-LAB	lab(33.24, 42.28, -64.75)
CIE-LCH	lch(33.24, 77.33, 303.14°)
OKLab	oklab(44.25% 0.0327 -0.1866)
OKLCH	oklch(44.25% 0.19 279.9)
XYZ	xyz(12.5334, 7.6463, 45.6060)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.59

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4639B7 #AAB739

analogous

#396BB7 #4639B7 #8539B7

triadic

#4639B7 #B74639 #39B746

tetradic

#4639B7 #B7396B #AAB739 #39B785

square

#4639B7 #B7396B #AAB739 #39B785

split-complementary

#4639B7 #B78539 #6BB739

monochromatic

#221C5A #342A88 #4639B7 #6B60CD #968EDC

Accessibility & contrast

On white

8.30

#4639B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#4639B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4639B7

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4639B7	#FFFFFF	#000000	##FFFFFF
##4639B7	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BB

Deuteranopia (green-blind)

#0049B5

Tritanopia (blue-blind)

#005A73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4639b7;
/* rgb */ color: rgb(70, 57, 183);
/* oklch */ color: oklch(44.2% 0.190 279.9);

Tailwind

colors: {
  custom: {
    50: '#8671ce',
    500: '#4639b7',
    950: '#000000',
  },
}

SCSS

$custom: #4639b7;
$custom-light: #8671ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4639b7",
  "rgb": {
    "r": 70,
    "g": 57,
    "b": 183
  },
  "hsl": {
    "h": 246.19,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44246,
    "c": 0.1895,
    "h": 279.9
  },
  "luminance": 0.07647
}

Semantic roles & 50–950 ramp

primary

#4639B7

secondary

#C0C785

accent

#DC4CCD

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4639B7

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

Preview Lab → · Contrast checker → · Palette generator →