#3D479E#3D479E

#3D479E is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.9% C 0.140 H 274.2°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#3D479E
RGB	rgb(61, 71, 158)
HSL	hsl(234, 44%, 43%)
HSV	hsv(234, 61%, 62%)
CMYK	cmyk(61.4%, 55.1%, 0%, 38%)
CIE-LAB	lab(33.91, 23.60, -48.74)
CIE-LCH	lch(33.91, 54.15, 295.84°)
OKLab	oklab(43.95% 0.0102 -0.1398)
OKLCH	oklch(43.95% 0.14 274.2)
XYZ	xyz(10.3472, 7.9664, 33.3335)
Luminance	0.0797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D479E #9E943D

analogous

#3D789E #3D479E #633D9E

triadic

#3D479E #9E3D47 #479E3D

tetradic

#3D479E #9E3D78 #9E943D #3D9E63

square

#3D479E #9E3D78 #9E943D #3D9E63

split-complementary

#3D479E #9E633D #789E3D

monochromatic

#1B1F46 #2C3372 #3D479E #5964BF #858DD0

Accessibility & contrast

On white

8.10

#3D479E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3D479E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D479E

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D479E	#FFFFFF	#000000	##FFFFFF
##3D479E	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B54A1

Deuteranopia (green-blind)

#004C9C

Tritanopia (blue-blind)

#005B6B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3d479e;
/* rgb */ color: rgb(61, 71, 158);
/* oklch */ color: oklch(43.9% 0.140 274.2);

Tailwind

colors: {
  custom: {
    50: '#7c7abb',
    500: '#3d479e',
    950: '#000000',
  },
}

SCSS

$custom: #3d479e;
$custom-light: #7c7abb;
$custom-dark: #000000;

JSON

{
  "hex": "#3d479e",
  "rgb": {
    "r": 61,
    "g": 71,
    "b": 158
  },
  "hsl": {
    "h": 233.814,
    "s": 44.292,
    "l": 42.941
  },
  "oklch": {
    "l": 0.43946,
    "c": 0.14016,
    "h": 274.2
  },
  "luminance": 0.07967
}

Semantic roles & 50–950 ramp

primary

#3D479E

secondary

#BAB47D

accent

#C754D4

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3D479E

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

Preview Lab → · Contrast checker → · Palette generator →