#3D439A#3D439A

#3D439A is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.8% C 0.140 H 275.8°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#3D439A
RGB	rgb(61, 67, 154)
HSL	hsl(236, 43%, 42%)
HSV	hsv(236, 60%, 60%)
CMYK	cmyk(60.4%, 56.5%, 0%, 39.6%)
CIE-LAB	lab(32.57, 24.82, -48.50)
CIE-LCH	lch(32.57, 54.48, 297.11°)
OKLab	oklab(42.85% 0.0142 -0.1391)
OKLCH	oklch(42.85% 0.14 275.8)
XYZ	xyz(9.7625, 7.3388, 31.4677)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D439A #9A943D

analogous

#3D729A #3D439A #663D9A

triadic

#3D439A #9A3D43 #439A3D

tetradic

#3D439A #9A3D72 #9A943D #3D9A66

square

#3D439A #9A3D72 #9A943D #3D9A66

split-complementary

#3D439A #9A663D #729A3D

monochromatic

#1A1D42 #2C306E #3D439A #585EBD #8388CE

Accessibility & contrast

On white

8.51

#3D439A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3D439A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D439A

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D439A	#FFFFFF	#000000	##FFFFFF
##3D439A	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00519D

Deuteranopia (green-blind)

#004998

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3d439a;
/* rgb */ color: rgb(61, 67, 154);
/* oklch */ color: oklch(42.8% 0.140 275.8);

Tailwind

colors: {
  custom: {
    50: '#7c77b8',
    500: '#3d439a',
    950: '#000000',
  },
}

SCSS

$custom: #3d439a;
$custom-light: #7c77b8;
$custom-dark: #000000;

JSON

{
  "hex": "#3d439a",
  "rgb": {
    "r": 61,
    "g": 67,
    "b": 154
  },
  "hsl": {
    "h": 236.129,
    "s": 43.256,
    "l": 42.157
  },
  "oklch": {
    "l": 0.42847,
    "c": 0.13984,
    "h": 275.8
  },
  "luminance": 0.0734
}

Semantic roles & 50–950 ramp

primary

#3D439A

secondary

#B8B47B

accent

#CB55D3

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #3D439A

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

Preview Lab → · Contrast checker → · Palette generator →