#4637B8#4637B8

#4637B8 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 44.0% C 0.193 H 280.2°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#4637B8
RGB	rgb(70, 55, 184)
HSL	hsl(247, 54%, 47%)
HSV	hsv(247, 70%, 72%)
CMYK	cmyk(62%, 70.1%, 0%, 27.8%)
CIE-LAB	lab(32.91, 43.74, -65.88)
CIE-LCH	lch(32.91, 79.08, 303.58°)
OKLab	oklab(44.04% 0.0341 -0.19)
OKLCH	oklch(44.04% 0.193 280.2)
XYZ	xyz(12.5410, 7.4942, 46.1238)
Luminance	0.0750 (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

#4637B8 #A9B837

analogous

#3768B8 #4637B8 #8737B8

triadic

#4637B8 #B84637 #37B846

tetradic

#4637B8 #B83768 #A9B837 #37B887

square

#4637B8 #B83768 #A9B837 #37B887

split-complementary

#4637B8 #B88737 #68B837

monochromatic

#221B5A #342989 #4637B8 #6B5DCF #968DDD

Accessibility & contrast

On white

8.40

#4637B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#4637B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4637B8

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4637B8	#FFFFFF	#000000	##FFFFFF
##4637B8	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BC

Deuteranopia (green-blind)

#0048B6

Tritanopia (blue-blind)

#005A73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4637b8;
/* rgb */ color: rgb(70, 55, 184);
/* oklch */ color: oklch(44.0% 0.193 280.2);

Tailwind

colors: {
  custom: {
    50: '#876fce',
    500: '#4637b8',
    950: '#000000',
  },
}

SCSS

$custom: #4637b8;
$custom-light: #876fce;
$custom-dark: #000000;

JSON

{
  "hex": "#4637b8",
  "rgb": {
    "r": 70,
    "g": 55,
    "b": 184
  },
  "hsl": {
    "h": 246.977,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44038,
    "c": 0.193,
    "h": 280.2
  },
  "luminance": 0.07495
}

Semantic roles & 50–950 ramp

primary

#4637B8

secondary

#BFC784

accent

#DD4ACC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4637B8

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

Preview Lab → · Contrast checker → · Palette generator →