#3D478E#3D478E

#3D478E is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.8% C 0.117 H 274.4°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#3D478E
RGB	rgb(61, 71, 142)
HSL	hsl(233, 40%, 40%)
HSV	hsv(233, 57%, 56%)
CMYK	cmyk(57%, 50%, 0%, 44.3%)
CIE-LAB	lab(32.81, 17.99, -40.78)
CIE-LCH	lch(32.81, 44.58, 293.81°)
OKLab	oklab(42.77% 0.0089 -0.1164)
OKLCH	oklch(42.77% 0.117 274.4)
XYZ	xyz(9.0586, 7.4509, 26.5468)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D478E #8E843D

analogous

#3D6F8E #3D478E #5C3D8E

triadic

#3D478E #8E3D47 #478E3D

tetradic

#3D478E #8E3D6F #8E843D #3D8E5C

square

#3D478E #8E3D6F #8E843D #3D8E5C

split-complementary

#3D478E #8E5C3D #6F8E3D

monochromatic

#181C38 #2B3263 #3D478E #535FB5 #7E87C8

Accessibility & contrast

On white

8.43

#3D478E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3D478E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D478E

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D478E	#FFFFFF	#000000	##FFFFFF
##3D478E	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245191

Deuteranopia (green-blind)

#194A8C

Tritanopia (blue-blind)

#115763

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3d478e;
/* rgb */ color: rgb(61, 71, 142);
/* oklch */ color: oklch(42.8% 0.117 274.4);

Tailwind

colors: {
  custom: {
    50: '#797aaf',
    500: '#3d478e',
    950: '#000000',
  },
}

SCSS

$custom: #3d478e;
$custom-light: #797aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#3d478e",
  "rgb": {
    "r": 61,
    "g": 71,
    "b": 142
  },
  "hsl": {
    "h": 232.593,
    "s": 39.901,
    "l": 39.804
  },
  "oklch": {
    "l": 0.42765,
    "c": 0.11673,
    "h": 274.4
  },
  "luminance": 0.07452
}

Semantic roles & 50–950 ramp

primary

#3D478E

secondary

#B1AA75

accent

#C158D0

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#0A0910

muted

#7C7B7F

Preview Lab

Preview with #3D478E

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

Preview Lab → · Contrast checker → · Palette generator →