#4640AF#4640AF

#4640AF is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.7% C 0.171 H 279.3°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#4640AF
RGB	rgb(70, 64, 175)
HSL	hsl(243, 46%, 47%)
HSV	hsv(243, 63%, 69%)
CMYK	cmyk(60%, 63.4%, 0%, 31.4%)
CIE-LAB	lab(34.11, 35.48, -58.57)
CIE-LCH	lch(34.11, 68.48, 301.21°)
OKLab	oklab(44.67% 0.0277 -0.1685)
OKLCH	oklch(44.67% 0.171 279.3)
XYZ	xyz(12.0946, 8.0632, 41.4681)
Luminance	0.0806 (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

#4640AF #A9AF40

analogous

#4072AF #4640AF #7E40AF

triadic

#4640AF #AF4640 #40AF46

tetradic

#4640AF #AF4072 #A9AF40 #40AF7E

square

#4640AF #AF4072 #A9AF40 #40AF7E

split-complementary

#4640AF #AF7E40 #72AF40

monochromatic

#221F55 #343082 #4640AF #6B65C7 #9692D7

Accessibility & contrast

On white

8.04

#4640AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#4640AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4640AF

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4640AF	#FFFFFF	#000000	##FFFFFF
##4640AF	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B3

Deuteranopia (green-blind)

#004CAD

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4640af;
/* rgb */ color: rgb(70, 64, 175);
/* oklch */ color: oklch(44.7% 0.171 279.3);

Tailwind

colors: {
  custom: {
    50: '#8475c8',
    500: '#4640af',
    950: '#000000',
  },
}

SCSS

$custom: #4640af;
$custom-light: #8475c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4640af",
  "rgb": {
    "r": 70,
    "g": 64,
    "b": 175
  },
  "hsl": {
    "h": 243.243,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44672,
    "c": 0.17076,
    "h": 279.3
  },
  "luminance": 0.08064
}

Semantic roles & 50–950 ramp

primary

#4640AF

secondary

#BFC388

accent

#D652CF

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4640AF

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

Preview Lab → · Contrast checker → · Palette generator →