#3D39BC#3D39BC

#3D39BC is a dark, vivid blue. Relative luminance 0.075; OKLCH L 44.1% C 0.198 H 275.9°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#3D39BC
RGB	rgb(61, 57, 188)
HSL	hsl(242, 53%, 48%)
HSV	hsv(242, 70%, 74%)
CMYK	cmyk(67.6%, 69.7%, 0%, 26.3%)
CIE-LAB	lab(33.02, 42.70, -68.08)
CIE-LCH	lch(33.02, 80.36, 302.10°)
OKLab	oklab(44.06% 0.0204 -0.1966)
OKLCH	oklch(44.06% 0.198 275.9)
XYZ	xyz(12.4617, 7.5481, 48.3674)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.28

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D39BC #B8BC39

analogous

#3976BC #3D39BC #7E39BC

triadic

#3D39BC #BC3D39 #39BC3D

tetradic

#3D39BC #BC3976 #B8BC39 #39BC7E

square

#3D39BC #BC3976 #B8BC39 #39BC7E

split-complementary

#3D39BC #BC7E39 #76BC39

monochromatic

#1F1D5E #2E2B8D #3D39BC #6663D0 #9492DE

Accessibility & contrast

On white

8.37

#3D39BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3D39BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D39BC

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D39BC	#FFFFFF	#000000	##FFFFFF
##3D39BC	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C0

Deuteranopia (green-blind)

#0048BA

Tritanopia (blue-blind)

#005D76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3d39bc;
/* rgb */ color: rgb(61, 57, 188);
/* oklch */ color: oklch(44.1% 0.198 275.9);

Tailwind

colors: {
  custom: {
    50: '#8370d1',
    500: '#3d39bc',
    950: '#000000',
  },
}

SCSS

$custom: #3d39bc;
$custom-light: #8370d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d39bc",
  "rgb": {
    "r": 61,
    "g": 57,
    "b": 188
  },
  "hsl": {
    "h": 241.832,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44062,
    "c": 0.19769,
    "h": 275.9
  },
  "luminance": 0.07549
}

Semantic roles & 50–950 ramp

primary

#3D39BC

secondary

#C7C988

accent

#DD4BD8

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3D39BC

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

Preview Lab → · Contrast checker → · Palette generator →