#4640AC#4640AC

#4640AC is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.4% C 0.167 H 279.6°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#4640AC
RGB	rgb(70, 64, 172)
HSL	hsl(243, 46%, 46%)
HSV	hsv(243, 63%, 67%)
CMYK	cmyk(59.3%, 62.8%, 0%, 32.5%)
CIE-LAB	lab(33.87, 34.49, -57.18)
CIE-LCH	lch(33.87, 66.77, 301.10°)
OKLab	oklab(44.42% 0.0279 -0.1644)
OKLCH	oklch(44.42% 0.167 279.6)
XYZ	xyz(11.8032, 7.9466, 39.9336)
Luminance	0.0795 (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

#4640AC #A6AC40

analogous

#4070AC #4640AC #7C40AC

triadic

#4640AC #AC4640 #40AC46

tetradic

#4640AC #AC4070 #A6AC40 #40AC7C

square

#4640AC #AC4070 #A6AC40 #40AC7C

split-complementary

#4640AC #AC7C40 #70AC40

monochromatic

#221F53 #342F7F #4640AC #6964C5 #9491D6

Accessibility & contrast

On white

8.11

#4640AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#4640AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4640AC

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4640AC	#FFFFFF	#000000	##FFFFFF
##4640AC	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AF

Deuteranopia (green-blind)

#004BAA

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4640ac;
/* rgb */ color: rgb(70, 64, 172);
/* oklch */ color: oklch(44.4% 0.167 279.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4640ac",
  "rgb": {
    "r": 70,
    "g": 64,
    "b": 172
  },
  "hsl": {
    "h": 243.333,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44418,
    "c": 0.16677,
    "h": 279.6
  },
  "luminance": 0.07947
}

Semantic roles & 50–950 ramp

primary

#4640AC

secondary

#BEC187

accent

#D552CE

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4640AC

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

Preview Lab → · Contrast checker → · Palette generator →