#403EAD#403EAD

#403EAD is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.7% C 0.172 H 277.4°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#403EAD
RGB	rgb(64, 62, 173)
HSL	hsl(241, 47%, 46%)
HSV	hsv(241, 64%, 68%)
CMYK	cmyk(63%, 64.2%, 0%, 32.2%)
CIE-LAB	lab(33.03, 35.08, -59.16)
CIE-LCH	lch(33.03, 68.78, 300.66°)
OKLab	oklab(43.71% 0.0221 -0.1704)
OKLCH	oklch(43.71% 0.172 277.4)
XYZ	xyz(11.3774, 7.5515, 40.3851)
Luminance	0.0755 (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

#403EAD #ABAD3E

analogous

#3E73AD #403EAD #773EAD

triadic

#403EAD #AD403E #3EAD40

tetradic

#403EAD #AD3E73 #ABAD3E #3EAD77

square

#403EAD #AD3E73 #ABAD3E #3EAD77

split-complementary

#403EAD #AD773E #73AD3E

monochromatic

#1F1E53 #2F2E80 #403EAD #6362C7 #908FD7

Accessibility & contrast

On white

8.37

#403EAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#403EAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403EAD

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403EAD	#FFFFFF	#000000	##FFFFFF
##403EAD	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B1

Deuteranopia (green-blind)

#0049AB

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #403ead;
/* rgb */ color: rgb(64, 62, 173);
/* oklch */ color: oklch(43.7% 0.172 277.4);

Tailwind

colors: {
  custom: {
    50: '#8174c6',
    500: '#403ead',
    950: '#000000',
  },
}

SCSS

$custom: #403ead;
$custom-light: #8174c6;
$custom-dark: #000000;

JSON

{
  "hex": "#403ead",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 173
  },
  "hsl": {
    "h": 241.081,
    "s": 47.234,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43714,
    "c": 0.17185,
    "h": 277.4
  },
  "luminance": 0.07552
}

Semantic roles & 50–950 ramp

primary

#403EAD

secondary

#C1C285

accent

#D751D4

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #403EAD

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

Preview Lab → · Contrast checker → · Palette generator →