#402FB0#402FB0

#402FB0 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.7% C 0.193 H 279.9°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#402FB0
RGB	rgb(64, 47, 176)
HSL	hsl(248, 58%, 44%)
HSV	hsv(248, 73%, 69%)
CMYK	cmyk(63.6%, 73.3%, 0%, 31%)
CIE-LAB	lab(30.05, 44.90, -65.84)
CIE-LCH	lch(30.05, 79.69, 304.30°)
OKLab	oklab(41.65% 0.0332 -0.19)
OKLCH	oklch(41.65% 0.193 279.9)
XYZ	xyz(10.9648, 6.2568, 41.6957)
Luminance	0.0626 (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

#402FB0 #9FB02F

analogous

#2F5EB0 #402FB0 #802FB0

triadic

#402FB0 #B0402F #2FB040

tetradic

#402FB0 #B02F5E #9FB02F #2FB080

square

#402FB0 #B02F5E #9FB02F #2FB080

split-complementary

#402FB0 #B0802F #5EB02F

monochromatic

#1D154F #2E2280 #402FB0 #5E4DCF #8A7DDC

Accessibility & contrast

On white

9.33

#402FB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#402FB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402FB0

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402FB0	#FFFFFF	#000000	##FFFFFF
##402FB0	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB4

Deuteranopia (green-blind)

#0042AE

Tritanopia (blue-blind)

#00536D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #402fb0;
/* rgb */ color: rgb(64, 47, 176);
/* oklch */ color: oklch(41.7% 0.193 279.9);

Tailwind

colors: {
  custom: {
    50: '#836ac9',
    500: '#402fb0',
    950: '#000000',
  },
}

SCSS

$custom: #402fb0;
$custom-light: #836ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#402fb0",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 176
  },
  "hsl": {
    "h": 247.907,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41651,
    "c": 0.19285,
    "h": 279.9
  },
  "luminance": 0.06258
}

Semantic roles & 50–950 ramp

primary

#402FB0

secondary

#BBC576

accent

#E147CD

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #402FB0

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

Preview Lab → · Contrast checker → · Palette generator →