#403CAF#403CAF

#403CAF is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.6% C 0.177 H 277.6°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#403CAF
RGB	rgb(64, 60, 175)
HSL	hsl(242, 49%, 46%)
HSV	hsv(242, 66%, 69%)
CMYK	cmyk(63.4%, 65.7%, 0%, 31.4%)
CIE-LAB	lab(32.74, 36.99, -60.84)
CIE-LCH	lch(32.74, 71.20, 301.30°)
OKLab	oklab(43.55% 0.0236 -0.1753)
OKLCH	oklch(43.55% 0.177 277.6)
XYZ	xyz(11.4656, 7.4159, 41.3763)
Luminance	0.0742 (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

#403CAF #ABAF3C

analogous

#3C71AF #403CAF #793CAF

triadic

#403CAF #AF403C #3CAF40

tetradic

#403CAF #AF3C71 #ABAF3C #3CAF79

square

#403CAF #AF3C71 #ABAF3C #3CAF79

split-complementary

#403CAF #AF793C #71AF3C

monochromatic

#1F1D54 #2F2C81 #403CAF #6360C8 #908DD8

Accessibility & contrast

On white

8.46

#403CAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#403CAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403CAF

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403CAF	#FFFFFF	#000000	##FFFFFF
##403CAF	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B3

Deuteranopia (green-blind)

#0048AD

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #403caf;
/* rgb */ color: rgb(64, 60, 175);
/* oklch */ color: oklch(43.6% 0.177 277.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#403caf",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 175
  },
  "hsl": {
    "h": 242.087,
    "s": 48.936,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43552,
    "c": 0.17692,
    "h": 277.6
  },
  "luminance": 0.07417
}

Semantic roles & 50–950 ramp

primary

#403CAF

secondary

#C1C384

accent

#D84FD4

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #403CAF

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

Preview Lab → · Contrast checker → · Palette generator →