#403BAF#403BAF

#403BAF is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.4% C 0.178 H 277.9°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#403BAF
RGB	rgb(64, 59, 175)
HSL	hsl(243, 50%, 46%)
HSV	hsv(243, 66%, 69%)
CMYK	cmyk(63.4%, 66.3%, 0%, 31.4%)
CIE-LAB	lab(32.51, 37.60, -61.21)
CIE-LCH	lch(32.51, 71.83, 301.56°)
OKLab	oklab(43.39% 0.0244 -0.1764)
OKLCH	oklch(43.39% 0.178 277.9)
XYZ	xyz(11.4137, 7.3122, 41.3590)
Luminance	0.0731 (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

#403BAF #AAAF3B

analogous

#3B70AF #403BAF #7A3BAF

triadic

#403BAF #AF403B #3BAF40

tetradic

#403BAF #AF3B70 #AAAF3B #3BAF7A

square

#403BAF #AF3B70 #AAAF3B #3BAF7A

split-complementary

#403BAF #AF7A3B #70AF3B

monochromatic

#1F1C53 #2F2C81 #403BAF #635EC9 #8F8CD8

Accessibility & contrast

On white

8.53

#403BAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#403BAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403BAF

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403BAF	#FFFFFF	#000000	##FFFFFF
##403BAF	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B3

Deuteranopia (green-blind)

#0048AD

Tritanopia (blue-blind)

#005970

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #403baf;
/* rgb */ color: rgb(64, 59, 175);
/* oklch */ color: oklch(43.4% 0.178 277.9);

Tailwind

colors: {
  custom: {
    50: '#8272c8',
    500: '#403baf',
    950: '#000000',
  },
}

SCSS

$custom: #403baf;
$custom-light: #8272c8;
$custom-dark: #000000;

JSON

{
  "hex": "#403baf",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 175
  },
  "hsl": {
    "h": 242.586,
    "s": 49.573,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43386,
    "c": 0.17812,
    "h": 277.9
  },
  "luminance": 0.07313
}

Semantic roles & 50–950 ramp

primary

#403BAF

secondary

#C0C383

accent

#D94FD3

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #403BAF

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

Preview Lab → · Contrast checker → · Palette generator →