#402FB8#402FB8

#402FB8 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.4% C 0.203 H 278.9°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#402FB8
RGB	rgb(64, 47, 184)
HSL	hsl(247, 59%, 45%)
HSV	hsv(247, 74%, 72%)
CMYK	cmyk(65.2%, 74.5%, 0%, 27.8%)
CIE-LAB	lab(30.84, 47.40, -69.30)
CIE-LCH	lch(30.84, 83.96, 304.37°)
OKLab	oklab(42.45% 0.0315 -0.2001)
OKLCH	oklch(42.45% 0.203 278.9)
XYZ	xyz(11.7798, 6.5828, 45.9879)
Luminance	0.0658 (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

#402FB8 #A7B82F

analogous

#2F63B8 #402FB8 #842FB8

triadic

#402FB8 #B8402F #2FB840

tetradic

#402FB8 #B82F63 #A7B82F #2FB884

square

#402FB8 #B82F63 #A7B82F #2FB884

split-complementary

#402FB8 #B8842F #63B82F

monochromatic

#1E1657 #2F2387 #402FB8 #6252D3 #8E82DF

Accessibility & contrast

On white

9.06

#402FB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#402FB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402FB8

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402FB8	#FFFFFF	#000000	##FFFFFF
##402FB8	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBC

Deuteranopia (green-blind)

#0043B6

Tritanopia (blue-blind)

#005671

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #402fb8;
/* rgb */ color: rgb(64, 47, 184);
/* oklch */ color: oklch(42.4% 0.203 278.9);

Tailwind

colors: {
  custom: {
    50: '#856acf',
    500: '#402fb8',
    950: '#000000',
  },
}

SCSS

$custom: #402fb8;
$custom-light: #856acf;
$custom-dark: #000000;

JSON

{
  "hex": "#402fb8",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 184
  },
  "hsl": {
    "h": 247.445,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.42445,
    "c": 0.20255,
    "h": 278.9
  },
  "luminance": 0.06584
}

Semantic roles & 50–950 ramp

primary

#402FB8

secondary

#BFC87B

accent

#E245CF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #402FB8

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

Preview Lab → · Contrast checker → · Palette generator →