#403BBD#403BBD

#403BBD is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.7% C 0.196 H 276.6°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#403BBD
RGB	rgb(64, 59, 189)
HSL	hsl(242, 52%, 49%)
HSV	hsv(242, 69%, 74%)
CMYK	cmyk(66.1%, 68.8%, 0%, 25.9%)
CIE-LAB	lab(33.75, 42.23, -67.46)
CIE-LCH	lch(33.75, 79.59, 302.05°)
OKLab	oklab(44.67% 0.0226 -0.1947)
OKLCH	oklch(44.67% 0.196 276.6)
XYZ	xyz(12.8606, 7.8909, 48.9796)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.79

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403BBD #B8BD3B

analogous

#3B77BD #403BBD #813BBD

triadic

#403BBD #BD403B #3BBD40

tetradic

#403BBD #BD3B77 #B8BD3B #3BBD81

square

#403BBD #BD3B77 #B8BD3B #3BBD81

split-complementary

#403BBD #BD813B #77BD3B

monochromatic

#201E60 #302C8E #403BBD #6A66CF #9795DE

Accessibility & contrast

On white

8.14

#403BBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#403BBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403BBD

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403BBD	#FFFFFF	#000000	##FFFFFF
##403BBD	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C1

Deuteranopia (green-blind)

#004ABB

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #403bbd;
/* rgb */ color: rgb(64, 59, 189);
/* oklch */ color: oklch(44.7% 0.196 276.6);

Tailwind

colors: {
  custom: {
    50: '#8572d2',
    500: '#403bbd',
    950: '#000000',
  },
}

SCSS

$custom: #403bbd;
$custom-light: #8572d2;
$custom-dark: #000000;

JSON

{
  "hex": "#403bbd",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 189
  },
  "hsl": {
    "h": 242.308,
    "s": 52.419,
    "l": 48.627
  },
  "oklch": {
    "l": 0.4467,
    "c": 0.19606,
    "h": 276.6
  },
  "luminance": 0.07892
}

Semantic roles & 50–950 ramp

primary

#403BBD

secondary

#C7C98B

accent

#DC4CD6

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #403BBD

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

Preview Lab → · Contrast checker → · Palette generator →