#403CBC#403CBC

#403CBC is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.7% C 0.194 H 276.5°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#403CBC
RGB	rgb(64, 60, 188)
HSL	hsl(242, 52%, 49%)
HSV	hsv(242, 68%, 74%)
CMYK	cmyk(66%, 68.1%, 0%, 26.3%)
CIE-LAB	lab(33.88, 41.31, -66.66)
CIE-LCH	lch(33.88, 78.42, 301.79°)
OKLab	oklab(44.73% 0.022 -0.1924)
OKLCH	oklch(44.73% 0.194 276.5)
XYZ	xyz(12.8043, 7.9514, 48.4272)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.61

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403CBC #B8BC3C

analogous

#3C78BC #403CBC #803CBC

triadic

#403CBC #BC403C #3CBC40

tetradic

#403CBC #BC3C78 #B8BC3C #3CBC80

square

#403CBC #BC3C78 #B8BC3C #3CBC80

split-complementary

#403CBC #BC803C #78BC3C

monochromatic

#201E5F #302D8E #403CBC #6A67CE #9795DD

Accessibility & contrast

On white

8.11

#403CBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#403CBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403CBC

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403CBC	#FFFFFF	#000000	##FFFFFF
##403CBC	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C0

Deuteranopia (green-blind)

#004ABA

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #403cbc;
/* rgb */ color: rgb(64, 60, 188);
/* oklch */ color: oklch(44.7% 0.194 276.5);

Tailwind

colors: {
  custom: {
    50: '#8473d1',
    500: '#403cbc',
    950: '#000000',
  },
}

SCSS

$custom: #403cbc;
$custom-light: #8473d1;
$custom-dark: #000000;

JSON

{
  "hex": "#403cbc",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 188
  },
  "hsl": {
    "h": 241.875,
    "s": 51.613,
    "l": 48.627
  },
  "oklch": {
    "l": 0.44734,
    "c": 0.19368,
    "h": 276.5
  },
  "luminance": 0.07953
}

Semantic roles & 50–950 ramp

primary

#403CBC

secondary

#C7C98B

accent

#DB4DD7

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #403CBC

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

Preview Lab → · Contrast checker → · Palette generator →