#4031BF#4031BF

#4031BF is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.4% C 0.209 H 277.9°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#4031BF
RGB	rgb(64, 49, 191)
HSL	hsl(246, 59%, 47%)
HSV	hsv(246, 74%, 75%)
CMYK	cmyk(66.5%, 74.3%, 0%, 25.1%)
CIE-LAB	lab(31.91, 48.51, -71.67)
CIE-LCH	lch(31.91, 86.54, 304.10°)
OKLab	oklab(43.41% 0.0287 -0.207)
OKLCH	oklch(43.41% 0.209 277.9)
XYZ	xyz(12.6136, 7.0471, 49.9756)
Luminance	0.0705 (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

#4031BF #B0BF31

analogous

#3169BF #4031BF #8731BF

triadic

#4031BF #BF4031 #31BF40

tetradic

#4031BF #BF3169 #B0BF31 #31BF87

square

#4031BF #BF3169 #B0BF31 #31BF87

split-complementary

#4031BF #BF8731 #69BF31

monochromatic

#1F185E #30258E #4031BF #6659D4 #938AE1

Accessibility & contrast

On white

8.72

#4031BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#4031BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4031BF

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4031BF	#FFFFFF	#000000	##FFFFFF
##4031BF	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C3

Deuteranopia (green-blind)

#0045BC

Tritanopia (blue-blind)

#005A76

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4031bf;
/* rgb */ color: rgb(64, 49, 191);
/* oklch */ color: oklch(43.4% 0.209 277.9);

Tailwind

colors: {
  custom: {
    50: '#866cd4',
    500: '#4031bf',
    950: '#000000',
  },
}

SCSS

$custom: #4031bf;
$custom-light: #866cd4;
$custom-dark: #000000;

JSON

{
  "hex": "#4031bf",
  "rgb": {
    "r": 64,
    "g": 49,
    "b": 191
  },
  "hsl": {
    "h": 246.338,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43414,
    "c": 0.20898,
    "h": 277.9
  },
  "luminance": 0.07048
}

Semantic roles & 50–950 ramp

primary

#4031BF

secondary

#C3CB81

accent

#E245D2

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4031BF

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

Preview Lab → · Contrast checker → · Palette generator →