#403BC0#403BC0

#403BC0 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 45.0% C 0.200 H 276.4°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#403BC0
RGB	rgb(64, 59, 192)
HSL	hsl(242, 53%, 49%)
HSV	hsv(242, 69%, 75%)
CMYK	cmyk(66.7%, 69.3%, 0%, 24.7%)
CIE-LAB	lab(34.03, 43.22, -68.77)
CIE-LCH	lch(34.03, 81.22, 302.15°)
OKLab	oklab(44.95% 0.0222 -0.1986)
OKLCH	oklch(44.95% 0.2 276.4)
XYZ	xyz(13.1896, 8.0225, 50.7124)
Luminance	0.0802 (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

#403BC0 #BBC03B

analogous

#3B78C0 #403BC0 #833BC0

triadic

#403BC0 #C0403B #3BC040

tetradic

#403BC0 #C03B78 #BBC03B #3BC083

square

#403BC0 #C03B78 #BBC03B #3BC083

split-complementary

#403BC0 #C0833B #78C03B

monochromatic

#211E62 #302D91 #403BC0 #6C68D1 #9997DF

Accessibility & contrast

On white

8.06

#403BC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#403BC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403BC0

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403BC0	#FFFFFF	#000000	##FFFFFF
##403BC0	1.00	8.06	2.60	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C4

Deuteranopia (green-blind)

#004ABE

Tritanopia (blue-blind)

#005F79

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #403bc0;
/* rgb */ color: rgb(64, 59, 192);
/* oklch */ color: oklch(45.0% 0.200 276.4);

Tailwind

colors: {
  custom: {
    50: '#8572d4',
    500: '#403bc0',
    950: '#000000',
  },
}

SCSS

$custom: #403bc0;
$custom-light: #8572d4;
$custom-dark: #000000;

JSON

{
  "hex": "#403bc0",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 192
  },
  "hsl": {
    "h": 242.256,
    "s": 52.988,
    "l": 49.216
  },
  "oklch": {
    "l": 0.44952,
    "c": 0.19982,
    "h": 276.4
  },
  "luminance": 0.08024
}

Semantic roles & 50–950 ramp

primary

#403BC0

secondary

#C8CA8C

accent

#DC4BD7

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #403BC0

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

Preview Lab → · Contrast checker → · Palette generator →