#403CBD#403CBD

#403CBD is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.8% C 0.195 H 276.5°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#403CBD
RGB	rgb(64, 60, 189)
HSL	hsl(242, 52%, 49%)
HSV	hsv(242, 68%, 74%)
CMYK	cmyk(66.1%, 68.3%, 0%, 25.9%)
CIE-LAB	lab(33.97, 41.64, -67.10)
CIE-LCH	lch(33.97, 78.97, 301.82°)
OKLab	oklab(44.83% 0.0219 -0.1937)
OKLCH	oklch(44.83% 0.195 276.5)
XYZ	xyz(12.9125, 7.9947, 48.9969)
Luminance	0.0800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.65

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403CBD #B9BD3C

analogous

#3C79BD #403CBD #813CBD

triadic

#403CBD #BD403C #3CBD40

tetradic

#403CBD #BD3C79 #B9BD3C #3CBD81

square

#403CBD #BD3C79 #B9BD3C #3CBD81

split-complementary

#403CBD #BD813C #79BD3C

monochromatic

#211F60 #302D8F #403CBD #6B67CF #9896DE

Accessibility & contrast

On white

8.08

#403CBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#403CBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403CBD

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403CBD	#FFFFFF	#000000	##FFFFFF
##403CBD	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C1

Deuteranopia (green-blind)

#004ABB

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #403cbd;
/* rgb */ color: rgb(64, 60, 189);
/* oklch */ color: oklch(44.8% 0.195 276.5);

Tailwind

colors: {
  custom: {
    50: '#8473d2',
    500: '#403cbd',
    950: '#000000',
  },
}

SCSS

$custom: #403cbd;
$custom-light: #8473d2;
$custom-dark: #000000;

JSON

{
  "hex": "#403cbd",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 189
  },
  "hsl": {
    "h": 241.86,
    "s": 51.807,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44827,
    "c": 0.19495,
    "h": 276.5
  },
  "luminance": 0.07996
}

Semantic roles & 50–950 ramp

primary

#403CBD

secondary

#C7C98C

accent

#DB4DD7

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #403CBD

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

Preview Lab → · Contrast checker → · Palette generator →