#4640AD#4640AD

#4640AD is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.5% C 0.168 H 279.5°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#4640AD
RGB	rgb(70, 64, 173)
HSL	hsl(243, 46%, 46%)
HSV	hsv(243, 63%, 68%)
CMYK	cmyk(59.5%, 63%, 0%, 32.2%)
CIE-LAB	lab(33.95, 34.82, -57.64)
CIE-LCH	lch(33.95, 67.34, 301.14°)
OKLab	oklab(44.5% 0.0279 -0.1658)
OKLCH	oklch(44.5% 0.168 279.5)
XYZ	xyz(11.8996, 7.9852, 40.4413)
Luminance	0.0799 (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

#4640AD #A7AD40

analogous

#4071AD #4640AD #7D40AD

triadic

#4640AD #AD4640 #40AD46

tetradic

#4640AD #AD4071 #A7AD40 #40AD7D

square

#4640AD #AD4071 #A7AD40 #40AD7D

split-complementary

#4640AD #AD7D40 #71AD40

monochromatic

#221F54 #342F80 #4640AD #6A64C6 #9591D6

Accessibility & contrast

On white

8.09

#4640AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#4640AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4640AD

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4640AD	#FFFFFF	#000000	##FFFFFF
##4640AD	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B1

Deuteranopia (green-blind)

#004CAB

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4640ad;
/* rgb */ color: rgb(70, 64, 173);
/* oklch */ color: oklch(44.5% 0.168 279.5);

Tailwind

colors: {
  custom: {
    50: '#8475c6',
    500: '#4640ad',
    950: '#000000',
  },
}

SCSS

$custom: #4640ad;
$custom-light: #8475c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4640ad",
  "rgb": {
    "r": 70,
    "g": 64,
    "b": 173
  },
  "hsl": {
    "h": 243.303,
    "s": 45.992,
    "l": 46.471
  },
  "oklch": {
    "l": 0.44503,
    "c": 0.16809,
    "h": 279.5
  },
  "luminance": 0.07986
}

Semantic roles & 50–950 ramp

primary

#4640AD

secondary

#BEC287

accent

#D652CE

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4640AD

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

Preview Lab → · Contrast checker → · Palette generator →