#4637BE#4637BE

#4637BE is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.6% C 0.200 H 279.5°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#4637BE
RGB	rgb(70, 55, 190)
HSL	hsl(247, 55%, 48%)
HSV	hsv(247, 71%, 75%)
CMYK	cmyk(63.2%, 71.1%, 0%, 25.5%)
CIE-LAB	lab(33.46, 45.63, -68.52)
CIE-LCH	lch(33.46, 82.32, 303.67°)
OKLab	oklab(44.6% 0.0331 -0.1977)
OKLCH	oklch(44.6% 0.2 279.5)
XYZ	xyz(13.1833, 7.7511, 49.5066)
Luminance	0.0775 (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

#4637BE #AFBE37

analogous

#376BBE #4637BE #8A37BE

triadic

#4637BE #BE4637 #37BE46

tetradic

#4637BE #BE376B #AFBE37 #37BE8A

square

#4637BE #BE376B #AFBE37 #37BE8A

split-complementary

#4637BE #BE8A37 #6BBE37

monochromatic

#231C5F #35298F #4637BE #6D61D1 #9990DF

Accessibility & contrast

On white

8.23

#4637BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4637BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4637BE

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4637BE	#FFFFFF	#000000	##FFFFFF
##4637BE	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C2

Deuteranopia (green-blind)

#0049BB

Tritanopia (blue-blind)

#005C77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4637be;
/* rgb */ color: rgb(70, 55, 190);
/* oklch */ color: oklch(44.6% 0.200 279.5);

Tailwind

colors: {
  custom: {
    50: '#8870d3',
    500: '#4637be',
    950: '#000000',
  },
}

SCSS

$custom: #4637be;
$custom-light: #8870d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4637be",
  "rgb": {
    "r": 70,
    "g": 55,
    "b": 190
  },
  "hsl": {
    "h": 246.667,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44601,
    "c": 0.20042,
    "h": 279.5
  },
  "luminance": 0.07752
}

Semantic roles & 50–950 ramp

primary

#4637BE

secondary

#C2CA87

accent

#DE49CE

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4637BE

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

Preview Lab → · Contrast checker → · Palette generator →