#403C8D#403C8D

#403C8D is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.7% C 0.130 H 281.1°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#403C8D
RGB	rgb(64, 60, 141)
HSL	hsl(243, 40%, 39%)
HSV	hsv(243, 57%, 55%)
CMYK	cmyk(54.6%, 57.4%, 0%, 44.7%)
CIE-LAB	lab(30.02, 25.55, -44.65)
CIE-LCH	lch(30.02, 51.45, 299.78°)
OKLab	oklab(40.71% 0.0251 -0.1278)
OKLCH	oklch(40.71% 0.13 281.1)
XYZ	xyz(8.5364, 6.2443, 25.9496)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C8D #898D3C

analogous

#3C618D #403C8D #693C8D

triadic

#403C8D #8D403C #3C8D40

tetradic

#403C8D #8D3C61 #898D3C #3C8D69

square

#403C8D #8D3C61 #898D3C #3C8D69

split-complementary

#403C8D #8D693C #618D3C

monochromatic

#191737 #2D2A62 #403C8D #5651B5 #807CC7

Accessibility & contrast

On white

9.34

#403C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#403C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C8D

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C8D	#FFFFFF	#000000	##FFFFFF
##403C8D	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#034A90

Deuteranopia (green-blind)

#00448B

Tritanopia (blue-blind)

#1E4F5E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #403c8d;
/* rgb */ color: rgb(64, 60, 141);
/* oklch */ color: oklch(40.7% 0.130 281.1);

Tailwind

colors: {
  custom: {
    50: '#7c72af',
    500: '#403c8d',
    950: '#000000',
  },
}

SCSS

$custom: #403c8d;
$custom-light: #7c72af;
$custom-dark: #000000;

JSON

{
  "hex": "#403c8d",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 141
  },
  "hsl": {
    "h": 242.963,
    "s": 40.299,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40707,
    "c": 0.13024,
    "h": 281.1
  },
  "luminance": 0.06245
}

Semantic roles & 50–950 ramp

primary

#403C8D

secondary

#AEB174

accent

#D058CA

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #403C8D

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

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