#3B478C#3B478C

#3B478C is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.5% C 0.114 H 273.2°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#3B478C
RGB	rgb(59, 71, 140)
HSL	hsl(231, 41%, 39%)
HSV	hsv(231, 58%, 55%)
CMYK	cmyk(57.9%, 49.3%, 0%, 45.1%)
CIE-LAB	lab(32.54, 16.86, -39.99)
CIE-LCH	lch(32.54, 43.40, 292.85°)
OKLab	oklab(42.49% 0.0063 -0.1141)
OKLCH	oklch(42.49% 0.114 273.2)
XYZ	xyz(8.7890, 7.3291, 25.7574)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B478C #8C803B

analogous

#3B708C #3B478C #583B8C

triadic

#3B478C #8C3B47 #478C3B

tetradic

#3B478C #8C3B70 #8C803B #3B8C58

square

#3B478C #8C3B70 #8C803B #3B8C58

split-complementary

#3B478C #8C583B #708C3B

monochromatic

#171B36 #293161 #3B478C #4F5EB5 #7A86C7

Accessibility & contrast

On white

8.52

#3B478C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3B478C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B478C

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B478C	#FFFFFF	#000000	##FFFFFF
##3B478C	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26508F

Deuteranopia (green-blind)

#1A498B

Tritanopia (blue-blind)

#0B5663

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3b478c;
/* rgb */ color: rgb(59, 71, 140);
/* oklch */ color: oklch(42.5% 0.114 273.2);

Tailwind

colors: {
  custom: {
    50: '#787aae',
    500: '#3b478c',
    950: '#000000',
  },
}

SCSS

$custom: #3b478c;
$custom-light: #787aae;
$custom-dark: #000000;

JSON

{
  "hex": "#3b478c",
  "rgb": {
    "r": 59,
    "g": 71,
    "b": 140
  },
  "hsl": {
    "h": 231.111,
    "s": 40.704,
    "l": 39.02
  },
  "oklch": {
    "l": 0.42485,
    "c": 0.11429,
    "h": 273.2
  },
  "luminance": 0.0733
}

Semantic roles & 50–950 ramp

primary

#3B478C

secondary

#B1A772

accent

#BF57D1

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #3B478C

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

Preview Lab → · Contrast checker → · Palette generator →