#4640AA#4640AA

#4640AA is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.3% C 0.164 H 279.8°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#4640AA
RGB	rgb(70, 64, 170)
HSL	hsl(243, 45%, 46%)
HSV	hsv(243, 62%, 67%)
CMYK	cmyk(58.8%, 62.4%, 0%, 33.3%)
CIE-LAB	lab(33.71, 33.83, -56.24)
CIE-LCH	lch(33.71, 65.63, 301.03°)
OKLab	oklab(44.25% 0.0281 -0.1617)
OKLCH	oklch(44.25% 0.164 279.8)
XYZ	xyz(11.6126, 7.8704, 38.9296)
Luminance	0.0787 (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

#4640AA #A4AA40

analogous

#406FAA #4640AA #7B40AA

triadic

#4640AA #AA4640 #40AA46

tetradic

#4640AA #AA406F #A4AA40 #40AA7B

square

#4640AA #AA406F #A4AA40 #40AA7B

split-complementary

#4640AA #AA7B40 #6FAA40

monochromatic

#211F51 #342F7E #4640AA #6863C4 #938FD5

Accessibility & contrast

On white

8.16

#4640AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#4640AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4640AA

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4640AA	#FFFFFF	#000000	##FFFFFF
##4640AA	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AD

Deuteranopia (green-blind)

#004BA8

Tritanopia (blue-blind)

#045A6F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4640aa;
/* rgb */ color: rgb(70, 64, 170);
/* oklch */ color: oklch(44.3% 0.164 279.8);

Tailwind

colors: {
  custom: {
    50: '#8475c4',
    500: '#4640aa',
    950: '#000000',
  },
}

SCSS

$custom: #4640aa;
$custom-light: #8475c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4640aa",
  "rgb": {
    "r": 70,
    "g": 64,
    "b": 170
  },
  "hsl": {
    "h": 243.396,
    "s": 45.299,
    "l": 45.882
  },
  "oklch": {
    "l": 0.44251,
    "c": 0.16408,
    "h": 279.8
  },
  "luminance": 0.07871
}

Semantic roles & 50–950 ramp

primary

#4640AA

secondary

#BDC086

accent

#D553CE

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4640AA

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

Preview Lab → · Contrast checker → · Palette generator →