#3D478D#3D478D

#3D478D is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.7% C 0.115 H 274.4°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#3D478D
RGB	rgb(61, 71, 141)
HSL	hsl(233, 40%, 40%)
HSV	hsv(233, 57%, 55%)
CMYK	cmyk(56.7%, 49.6%, 0%, 44.7%)
CIE-LAB	lab(32.75, 17.65, -40.28)
CIE-LCH	lch(32.75, 43.97, 293.66°)
OKLab	oklab(42.7% 0.0088 -0.1149)
OKLCH	oklch(42.7% 0.115 274.4)
XYZ	xyz(8.9839, 7.4210, 26.1531)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D478D #8D833D

analogous

#3D6F8D #3D478D #5B3D8D

triadic

#3D478D #8D3D47 #478D3D

tetradic

#3D478D #8D3D6F #8D833D #3D8D5B

square

#3D478D #8D3D6F #8D833D #3D8D5B

split-complementary

#3D478D #8D5B3D #6F8D3D

monochromatic

#181C38 #2B3162 #3D478D #535FB4 #7D87C7

Accessibility & contrast

On white

8.45

#3D478D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3D478D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D478D

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D478D	#FFFFFF	#000000	##FFFFFF
##3D478D	1.00	8.45	2.48	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255190

Deuteranopia (green-blind)

#1B4A8C

Tritanopia (blue-blind)

#125763

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3d478d;
/* rgb */ color: rgb(61, 71, 141);
/* oklch */ color: oklch(42.7% 0.115 274.4);

Tailwind

colors: {
  custom: {
    50: '#797aaf',
    500: '#3d478d',
    950: '#000000',
  },
}

SCSS

$custom: #3d478d;
$custom-light: #797aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#3d478d",
  "rgb": {
    "r": 61,
    "g": 71,
    "b": 141
  },
  "hsl": {
    "h": 232.5,
    "s": 39.604,
    "l": 39.608
  },
  "oklch": {
    "l": 0.42695,
    "c": 0.11523,
    "h": 274.4
  },
  "luminance": 0.07422
}

Semantic roles & 50–950 ramp

primary

#3D478D

secondary

#B1A975

accent

#C158CF

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#0A0910

muted

#7C7B7F

Preview Lab

Preview with #3D478D

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

Preview Lab → · Contrast checker → · Palette generator →