#3D39BA#3D39BA

#3D39BA is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.9% C 0.195 H 276.1°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#3D39BA
RGB	rgb(61, 57, 186)
HSL	hsl(242, 53%, 48%)
HSV	hsv(242, 69%, 73%)
CMYK	cmyk(67.2%, 69.4%, 0%, 27.1%)
CIE-LAB	lab(32.84, 42.04, -67.20)
CIE-LCH	lch(32.84, 79.27, 302.03°)
OKLab	oklab(43.87% 0.0207 -0.1941)
OKLCH	oklch(43.87% 0.195 276.1)
XYZ	xyz(12.2476, 7.4624, 47.2398)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.24

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D39BA #B6BA39

analogous

#3976BA #3D39BA #7D39BA

triadic

#3D39BA #BA3D39 #39BA3D

tetradic

#3D39BA #BA3976 #B6BA39 #39BA7D

square

#3D39BA #BA3976 #B6BA39 #39BA7D

split-complementary

#3D39BA #BA7D39 #76BA39

monochromatic

#1E1C5C #2E2B8B #3D39BA #6561CF #9390DD

Accessibility & contrast

On white

8.42

#3D39BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3D39BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D39BA

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D39BA	#FFFFFF	#000000	##FFFFFF
##3D39BA	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BE

Deuteranopia (green-blind)

#0047B8

Tritanopia (blue-blind)

#005C75

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3d39ba;
/* rgb */ color: rgb(61, 57, 186);
/* oklch */ color: oklch(43.9% 0.195 276.1);

Tailwind

colors: {
  custom: {
    50: '#8370d0',
    500: '#3d39ba',
    950: '#000000',
  },
}

SCSS

$custom: #3d39ba;
$custom-light: #8370d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d39ba",
  "rgb": {
    "r": 61,
    "g": 57,
    "b": 186
  },
  "hsl": {
    "h": 241.86,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43871,
    "c": 0.19518,
    "h": 276.1
  },
  "luminance": 0.07464
}

Semantic roles & 50–950 ramp

primary

#3D39BA

secondary

#C6C887

accent

#DC4BD8

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3D39BA

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

Preview Lab → · Contrast checker → · Palette generator →