#403BAE#403BAE

#403BAE is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.3% C 0.177 H 278.0°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#403BAE
RGB	rgb(64, 59, 174)
HSL	hsl(243, 49%, 46%)
HSV	hsv(243, 66%, 68%)
CMYK	cmyk(63.2%, 66.1%, 0%, 31.8%)
CIE-LAB	lab(32.42, 37.26, -60.76)
CIE-LCH	lch(32.42, 71.27, 301.52°)
OKLab	oklab(43.3% 0.0245 -0.1751)
OKLCH	oklch(43.3% 0.177 278)
XYZ	xyz(11.3158, 7.2730, 40.8437)
Luminance	0.0727 (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

#403BAE #A9AE3B

analogous

#3B6FAE #403BAE #793BAE

triadic

#403BAE #AE403B #3BAE40

tetradic

#403BAE #AE3B6F #A9AE3B #3BAE79

square

#403BAE #AE3B6F #A9AE3B #3BAE79

split-complementary

#403BAE #AE793B #6FAE3B

monochromatic

#1E1C53 #2F2C80 #403BAE #625EC8 #8F8CD8

Accessibility & contrast

On white

8.55

#403BAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#403BAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403BAE

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403BAE	#FFFFFF	#000000	##FFFFFF
##403BAE	1.00	8.55	2.45	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B2

Deuteranopia (green-blind)

#0047AC

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #403bae;
/* rgb */ color: rgb(64, 59, 174);
/* oklch */ color: oklch(43.3% 0.177 278.0);

Tailwind

colors: {
  custom: {
    50: '#8272c7',
    500: '#403bae',
    950: '#000000',
  },
}

SCSS

$custom: #403bae;
$custom-light: #8272c7;
$custom-dark: #000000;

JSON

{
  "hex": "#403bae",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 174
  },
  "hsl": {
    "h": 242.609,
    "s": 49.356,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43296,
    "c": 0.17681,
    "h": 278
  },
  "luminance": 0.07274
}

Semantic roles & 50–950 ramp

primary

#403BAE

secondary

#C0C282

accent

#D94FD3

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #403BAE

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

Preview Lab → · Contrast checker → · Palette generator →