#403B74#403B74

#403B74 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.7% C 0.094 H 285.1°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#403B74
RGB	rgb(64, 59, 116)
HSL	hsl(245, 33%, 34%)
HSV	hsv(245, 49%, 45%)
CMYK	cmyk(44.8%, 49.1%, 0%, 54.5%)
CIE-LAB	lab(28.06, 17.97, -32.19)
CIE-LCH	lch(28.06, 36.87, 299.17°)
OKLab	oklab(38.69% 0.0246 -0.0912)
OKLCH	oklch(38.69% 0.094 285.1)
XYZ	xyz(6.8298, 5.4786, 17.2172)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B74 #6F743B

analogous

#3B5374 #403B74 #5D3B74

triadic

#403B74 #74403B #3B7440

tetradic

#403B74 #743B53 #6F743B #3B745D

square

#403B74 #743B53 #6F743B #3B745D

split-complementary

#403B74 #745D3B #53743B

monochromatic

#131223 #2A264B #403B74 #56509D #7872B7

Accessibility & contrast

On white

10.02

#403B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#403B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B74

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B74	#FFFFFF	#000000	##FFFFFF
##403B74	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244476

Deuteranopia (green-blind)

#234073

Tritanopia (blue-blind)

#304752

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #403b74;
/* rgb */ color: rgb(64, 59, 116);
/* oklch */ color: oklch(38.7% 0.094 285.1);

Tailwind

colors: {
  custom: {
    50: '#78719c',
    500: '#403b74',
    950: '#000000',
  },
}

SCSS

$custom: #403b74;
$custom-light: #78719c;
$custom-dark: #000000;

JSON

{
  "hex": "#403b74",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 116
  },
  "hsl": {
    "h": 245.263,
    "s": 32.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38693,
    "c": 0.09443,
    "h": 285.1
  },
  "luminance": 0.05479
}

Semantic roles & 50–950 ramp

primary

#403B74

secondary

#9CA16A

accent

#C95FBF

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09070E

muted

#7B7A7E

Preview Lab

Preview with #403B74

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

Preview Lab → · Contrast checker → · Palette generator →