#402FB1#402FB1

#402FB1 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.8% C 0.194 H 279.8°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#402FB1
RGB	rgb(64, 47, 177)
HSL	hsl(248, 58%, 44%)
HSV	hsv(248, 73%, 69%)
CMYK	cmyk(63.8%, 73.4%, 0%, 30.6%)
CIE-LAB	lab(30.15, 45.22, -66.27)
CIE-LCH	lch(30.15, 80.23, 304.31°)
OKLab	oklab(41.75% 0.033 -0.1912)
OKLCH	oklch(41.75% 0.194 279.8)
XYZ	xyz(11.0642, 6.2965, 42.2187)
Luminance	0.0630 (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

#402FB1 #A0B12F

analogous

#2F5FB1 #402FB1 #812FB1

triadic

#402FB1 #B1402F #2FB140

tetradic

#402FB1 #B12F5F #A0B12F #2FB181

square

#402FB1 #B12F5F #A0B12F #2FB181

split-complementary

#402FB1 #B1812F #5FB12F

monochromatic

#1D1550 #2F2281 #402FB1 #5E4DD0 #8A7EDD

Accessibility & contrast

On white

9.29

#402FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#402FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402FB1

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402FB1	#FFFFFF	#000000	##FFFFFF
##402FB1	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB5

Deuteranopia (green-blind)

#0042AF

Tritanopia (blue-blind)

#00536D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #402fb1;
/* rgb */ color: rgb(64, 47, 177);
/* oklch */ color: oklch(41.8% 0.194 279.8);

Tailwind

colors: {
  custom: {
    50: '#836ac9',
    500: '#402fb1',
    950: '#000000',
  },
}

SCSS

$custom: #402fb1;
$custom-light: #836ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#402fb1",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 177
  },
  "hsl": {
    "h": 247.846,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4175,
    "c": 0.19407,
    "h": 279.8
  },
  "luminance": 0.06297
}

Semantic roles & 50–950 ramp

primary

#402FB1

secondary

#BBC576

accent

#E147CD

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #402FB1

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

Preview Lab → · Contrast checker → · Palette generator →