#402E9B#402E9B

#402E9B is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.5% C 0.168 H 283.1°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#402E9B
RGB	rgb(64, 46, 155)
HSL	hsl(250, 54%, 39%)
HSV	hsv(250, 70%, 61%)
CMYK	cmyk(58.7%, 70.3%, 0%, 39.2%)
CIE-LAB	lab(27.87, 38.84, -56.74)
CIE-LCH	lch(27.87, 68.76, 304.40°)
OKLab	oklab(39.5% 0.0381 -0.1633)
OKLCH	oklch(39.5% 0.168 283.1)
XYZ	xyz(9.0059, 5.4100, 31.5737)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402E9B #899B2E

analogous

#2E539B #402E9B #772E9B

triadic

#402E9B #9B402E #2E9B40

tetradic

#402E9B #9B2E53 #899B2E #2E9B77

square

#402E9B #9B2E53 #899B2E #2E9B77

split-complementary

#402E9B #9B772E #539B2E

monochromatic

#19123D #2D206C #402E9B #5640C6 #806FD4

Accessibility & contrast

On white

10.09

#402E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#402E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402E9B

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402E9B	#FFFFFF	#000000	##FFFFFF
##402E9B	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459E

Deuteranopia (green-blind)

#003E99

Tritanopia (blue-blind)

#0C4B61

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #402e9b;
/* rgb */ color: rgb(64, 46, 155);
/* oklch */ color: oklch(39.5% 0.168 283.1);

Tailwind

colors: {
  custom: {
    50: '#7f68b9',
    500: '#402e9b',
    950: '#000000',
  },
}

SCSS

$custom: #402e9b;
$custom-light: #7f68b9;
$custom-dark: #000000;

JSON

{
  "hex": "#402e9b",
  "rgb": {
    "r": 64,
    "g": 46,
    "b": 155
  },
  "hsl": {
    "h": 249.908,
    "s": 54.229,
    "l": 39.412
  },
  "oklch": {
    "l": 0.39497,
    "c": 0.16772,
    "h": 283.1
  },
  "luminance": 0.05411
}

Semantic roles & 50–950 ramp

primary

#402E9B

secondary

#AEBC69

accent

#DE4AC5

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #402E9B

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

Preview Lab → · Contrast checker → · Palette generator →