#3D439C#3D439C

#3D439C is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.0% C 0.143 H 275.7°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#3D439C
RGB	rgb(61, 67, 156)
HSL	hsl(236, 44%, 43%)
HSV	hsv(236, 61%, 61%)
CMYK	cmyk(60.9%, 57.1%, 0%, 38.8%)
CIE-LAB	lab(32.71, 25.52, -49.47)
CIE-LCH	lch(32.71, 55.66, 297.29°)
OKLab	oklab(43% 0.0142 -0.142)
OKLCH	oklch(43% 0.143 275.7)
XYZ	xyz(9.9304, 7.4060, 32.3522)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D439C #9C963D

analogous

#3D729C #3D439C #673D9C

triadic

#3D439C #9C3D43 #439C3D

tetradic

#3D439C #9C3D72 #9C963D #3D9C67

square

#3D439C #9C3D72 #9C963D #3D9C67

split-complementary

#3D439C #9C673D #729C3D

monochromatic

#1B1D44 #2C3070 #3D439C #585FBE #8489CF

Accessibility & contrast

On white

8.46

#3D439C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3D439C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D439C

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D439C	#FFFFFF	#000000	##FFFFFF
##3D439C	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00519F

Deuteranopia (green-blind)

#00499A

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3d439c;
/* rgb */ color: rgb(61, 67, 156);
/* oklch */ color: oklch(43.0% 0.143 275.7);

Tailwind

colors: {
  custom: {
    50: '#7c77ba',
    500: '#3d439c',
    950: '#000000',
  },
}

SCSS

$custom: #3d439c;
$custom-light: #7c77ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3d439c",
  "rgb": {
    "r": 61,
    "g": 67,
    "b": 156
  },
  "hsl": {
    "h": 236.211,
    "s": 43.779,
    "l": 42.549
  },
  "oklch": {
    "l": 0.43004,
    "c": 0.14269,
    "h": 275.7
  },
  "luminance": 0.07407
}

Semantic roles & 50–950 ramp

primary

#3D439C

secondary

#B9B57C

accent

#CB54D4

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3D439C

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

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