#402EB5#402EB5

#402EB5 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 42.0% C 0.200 H 279.4°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#402EB5
RGB	rgb(64, 46, 181)
HSL	hsl(248, 59%, 45%)
HSV	hsv(248, 75%, 71%)
CMYK	cmyk(64.6%, 74.6%, 0%, 29%)
CIE-LAB	lab(30.35, 47.01, -68.33)
CIE-LCH	lch(30.35, 82.93, 304.53°)
OKLab	oklab(42.01% 0.0328 -0.1972)
OKLCH	oklch(42.01% 0.2 279.4)
XYZ	xyz(11.4292, 6.3793, 44.3361)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 4.17

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402EB5 #A3B52E

analogous

#2E60B5 #402EB5 #842EB5

triadic

#402EB5 #B5402E #2EB540

tetradic

#402EB5 #B52E60 #A3B52E #2EB584

square

#402EB5 #B52E60 #A3B52E #2EB584

split-complementary

#402EB5 #B5842E #60B52E

monochromatic

#1D1553 #2F2284 #402EB5 #604ED2 #8C7FDE

Accessibility & contrast

On white

9.23

#402EB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#402EB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402EB5

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402EB5	#FFFFFF	#000000	##FFFFFF
##402EB5	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB9

Deuteranopia (green-blind)

#0042B3

Tritanopia (blue-blind)

#00546F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #402eb5;
/* rgb */ color: rgb(64, 46, 181);
/* oklch */ color: oklch(42.0% 0.200 279.4);

Tailwind

colors: {
  custom: {
    50: '#8469cc',
    500: '#402eb5',
    950: '#000000',
  },
}

SCSS

$custom: #402eb5;
$custom-light: #8469cc;
$custom-dark: #000000;

JSON

{
  "hex": "#402eb5",
  "rgb": {
    "r": 64,
    "g": 46,
    "b": 181
  },
  "hsl": {
    "h": 248,
    "s": 59.471,
    "l": 44.51
  },
  "oklch": {
    "l": 0.42011,
    "c": 0.19993,
    "h": 279.4
  },
  "luminance": 0.0638
}

Semantic roles & 50–950 ramp

primary

#402EB5

secondary

#BDC778

accent

#E345CE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #402EB5

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

Preview Lab → · Contrast checker → · Palette generator →