#3D39B8#3D39B8

#3D39B8 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.7% C 0.193 H 276.2°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#3D39B8
RGB	rgb(61, 57, 184)
HSL	hsl(242, 53%, 47%)
HSV	hsv(242, 69%, 72%)
CMYK	cmyk(66.8%, 69%, 0%, 27.8%)
CIE-LAB	lab(32.65, 41.38, -66.33)
CIE-LCH	lch(32.65, 78.17, 301.96°)
OKLab	oklab(43.68% 0.021 -0.1915)
OKLCH	oklch(43.68% 0.193 276.2)
XYZ	xyz(12.0365, 7.3780, 46.1279)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.22

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D39B8 #B4B839

analogous

#3974B8 #3D39B8 #7D39B8

triadic

#3D39B8 #B83D39 #39B83D

tetradic

#3D39B8 #B83974 #B4B839 #39B87D

square

#3D39B8 #B83974 #B4B839 #39B87D

split-complementary

#3D39B8 #B87D39 #74B839

monochromatic

#1E1C5B #2E2B89 #3D39B8 #6460CE #928FDC

Accessibility & contrast

On white

8.48

#3D39B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3D39B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D39B8

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D39B8	#FFFFFF	#000000	##FFFFFF
##3D39B8	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BC

Deuteranopia (green-blind)

#0047B6

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3d39b8;
/* rgb */ color: rgb(61, 57, 184);
/* oklch */ color: oklch(43.7% 0.193 276.2);

Tailwind

colors: {
  custom: {
    50: '#8270ce',
    500: '#3d39b8',
    950: '#000000',
  },
}

SCSS

$custom: #3d39b8;
$custom-light: #8270ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3d39b8",
  "rgb": {
    "r": 61,
    "g": 57,
    "b": 184
  },
  "hsl": {
    "h": 241.89,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43682,
    "c": 0.19265,
    "h": 276.2
  },
  "luminance": 0.07379
}

Semantic roles & 50–950 ramp

primary

#3D39B8

secondary

#C5C786

accent

#DC4CD8

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3D39B8

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

Preview Lab → · Contrast checker → · Palette generator →