#402DB3#402DB3

#402DB3 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.7% C 0.199 H 279.8°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#402DB3
RGB	rgb(64, 45, 179)
HSL	hsl(249, 60%, 44%)
HSV	hsv(249, 75%, 70%)
CMYK	cmyk(64.2%, 74.9%, 0%, 29.8%)
CIE-LAB	lab(29.96, 46.92, -67.77)
CIE-LCH	lch(29.96, 82.43, 304.70°)
OKLab	oklab(41.68% 0.0339 -0.1956)
OKLCH	oklch(41.68% 0.199 279.8)
XYZ	xyz(11.1868, 6.2206, 43.2503)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 3.90

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402DB3 #A0B32D

analogous

#2D5DB3 #402DB3 #832DB3

triadic

#402DB3 #B3402D #2DB340

tetradic

#402DB3 #B32D5D #A0B32D #2DB383

square

#402DB3 #B32D5D #A0B32D #2DB383

split-complementary

#402DB3 #B3832D #5DB32D

monochromatic

#1D1451 #2F2182 #402DB3 #5E4BD2 #8A7CDE

Accessibility & contrast

On white

9.36

#402DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#402DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402DB3

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402DB3	#FFFFFF	#000000	##FFFFFF
##402DB3	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB7

Deuteranopia (green-blind)

#0041B1

Tritanopia (blue-blind)

#00536E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #402db3;
/* rgb */ color: rgb(64, 45, 179);
/* oklch */ color: oklch(41.7% 0.199 279.8);

Tailwind

colors: {
  custom: {
    50: '#8469cb',
    500: '#402db3',
    950: '#000000',
  },
}

SCSS

$custom: #402db3;
$custom-light: #8469cb;
$custom-dark: #000000;

JSON

{
  "hex": "#402db3",
  "rgb": {
    "r": 64,
    "g": 45,
    "b": 179
  },
  "hsl": {
    "h": 248.507,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41677,
    "c": 0.19852,
    "h": 279.8
  },
  "luminance": 0.06221
}

Semantic roles & 50–950 ramp

primary

#402DB3

secondary

#BBC775

accent

#E345CD

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #402DB3

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

Preview Lab → · Contrast checker → · Palette generator →