#4031BA#4031BA

#4031BA is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 42.9% C 0.203 H 278.4°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#4031BA
RGB	rgb(64, 49, 186)
HSL	hsl(247, 58%, 46%)
HSV	hsv(247, 74%, 73%)
CMYK	cmyk(65.6%, 73.7%, 0%, 27.1%)
CIE-LAB	lab(31.42, 46.95, -69.53)
CIE-LCH	lch(31.42, 83.90, 304.03°)
OKLab	oklab(42.92% 0.0298 -0.2008)
OKLCH	oklch(42.92% 0.203 278.4)
XYZ	xyz(12.0727, 6.8308, 47.1271)
Luminance	0.0683 (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

#4031BA #ABBA31

analogous

#3166BA #4031BA #8431BA

triadic

#4031BA #BA4031 #31BA40

tetradic

#4031BA #BA3166 #ABBA31 #31BA84

square

#4031BA #BA3166 #ABBA31 #31BA84

split-complementary

#4031BA #BA8431 #66BA31

monochromatic

#1F1759 #2F248A #4031BA #6356D2 #9086DF

Accessibility & contrast

On white

8.87

#4031BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#4031BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4031BA

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4031BA	#FFFFFF	#000000	##FFFFFF
##4031BA	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBE

Deuteranopia (green-blind)

#0044B8

Tritanopia (blue-blind)

#005873

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4031ba;
/* rgb */ color: rgb(64, 49, 186);
/* oklch */ color: oklch(42.9% 0.203 278.4);

Tailwind

colors: {
  custom: {
    50: '#856bd0',
    500: '#4031ba',
    950: '#000000',
  },
}

SCSS

$custom: #4031ba;
$custom-light: #856bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4031ba",
  "rgb": {
    "r": 64,
    "g": 49,
    "b": 186
  },
  "hsl": {
    "h": 246.569,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42915,
    "c": 0.20297,
    "h": 278.4
  },
  "luminance": 0.06832
}

Semantic roles & 50–950 ramp

primary

#4031BA

secondary

#C1C97E

accent

#E246D1

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4031BA

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

Preview Lab → · Contrast checker → · Palette generator →