#4637AF#4637AF

#4637AF is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.2% C 0.182 H 281.3°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#4637AF
RGB	rgb(70, 55, 175)
HSL	hsl(248, 52%, 45%)
HSV	hsv(248, 69%, 69%)
CMYK	cmyk(60%, 68.6%, 0%, 31.4%)
CIE-LAB	lab(32.10, 40.89, -61.86)
CIE-LCH	lch(32.10, 74.15, 303.46°)
OKLab	oklab(43.21% 0.0356 -0.1782)
OKLCH	oklch(43.21% 0.182 281.3)
XYZ	xyz(11.6274, 7.1288, 41.3124)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.16

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4637AF #A0AF37

analogous

#3764AF #4637AF #8237AF

triadic

#4637AF #AF4637 #37AF46

tetradic

#4637AF #AF3764 #A0AF37 #37AF82

square

#4637AF #AF3764 #A0AF37 #37AF82

split-complementary

#4637AF #AF8237 #64AF37

monochromatic

#211A52 #332880 #4637AF #6759CB #9187D9

Accessibility & contrast

On white

8.66

#4637AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#4637AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4637AF

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4637AF	#FFFFFF	#000000	##FFFFFF
##4637AF	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B3

Deuteranopia (green-blind)

#0047AD

Tritanopia (blue-blind)

#00566E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4637af;
/* rgb */ color: rgb(70, 55, 175);
/* oklch */ color: oklch(43.2% 0.182 281.3);

Tailwind

colors: {
  custom: {
    50: '#856fc8',
    500: '#4637af',
    950: '#000000',
  },
}

SCSS

$custom: #4637af;
$custom-light: #856fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#4637af",
  "rgb": {
    "r": 70,
    "g": 55,
    "b": 175
  },
  "hsl": {
    "h": 247.5,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4321,
    "c": 0.1817,
    "h": 281.3
  },
  "luminance": 0.0713
}

Semantic roles & 50–950 ramp

primary

#4637AF

secondary

#BBC37F

accent

#DC4CCA

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4637AF

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

Preview Lab → · Contrast checker → · Palette generator →