#403BBF#403BBF

#403BBF is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.9% C 0.199 H 276.5°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#403BBF
RGB	rgb(64, 59, 191)
HSL	hsl(242, 53%, 49%)
HSV	hsv(242, 69%, 75%)
CMYK	cmyk(66.5%, 69.1%, 0%, 25.1%)
CIE-LAB	lab(33.94, 42.89, -68.33)
CIE-LCH	lch(33.94, 80.68, 302.11°)
OKLab	oklab(44.86% 0.0223 -0.1973)
OKLCH	oklch(44.86% 0.199 276.5)
XYZ	xyz(13.0792, 7.9784, 50.1308)
Luminance	0.0798 (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

#403BBF #BABF3B

analogous

#3B78BF #403BBF #823BBF

triadic

#403BBF #BF403B #3BBF40

tetradic

#403BBF #BF3B78 #BABF3B #3BBF82

square

#403BBF #BF3B78 #BABF3B #3BBF82

split-complementary

#403BBF #BF823B #78BF3B

monochromatic

#211E61 #302D90 #403BBF #6B67D0 #9996DF

Accessibility & contrast

On white

8.09

#403BBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#403BBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403BBF

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403BBF	#FFFFFF	#000000	##FFFFFF
##403BBF	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C3

Deuteranopia (green-blind)

#004ABD

Tritanopia (blue-blind)

#005F78

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #403bbf;
/* rgb */ color: rgb(64, 59, 191);
/* oklch */ color: oklch(44.9% 0.199 276.5);

Tailwind

colors: {
  custom: {
    50: '#8572d3',
    500: '#403bbf',
    950: '#000000',
  },
}

SCSS

$custom: #403bbf;
$custom-light: #8572d3;
$custom-dark: #000000;

JSON

{
  "hex": "#403bbf",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 191
  },
  "hsl": {
    "h": 242.273,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44858,
    "c": 0.19857,
    "h": 276.5
  },
  "luminance": 0.0798
}

Semantic roles & 50–950 ramp

primary

#403BBF

secondary

#C8CA8C

accent

#DC4CD7

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #403BBF

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

Preview Lab → · Contrast checker → · Palette generator →