#3C39BA#3C39BA

#3C39BA is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.8% C 0.195 H 275.7°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#3C39BA
RGB	rgb(60, 57, 186)
HSL	hsl(241, 53%, 48%)
HSV	hsv(241, 69%, 73%)
CMYK	cmyk(67.7%, 69.4%, 0%, 27.1%)
CIE-LAB	lab(32.77, 41.92, -67.32)
CIE-LCH	lch(32.77, 79.30, 301.91°)
OKLab	oklab(43.8% 0.0194 -0.1945)
OKLCH	oklch(43.8% 0.195 275.7)
XYZ	xyz(12.1866, 7.4310, 47.2370)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.32

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C39BA #B7BA39

analogous

#3977BA #3C39BA #7C39BA

triadic

#3C39BA #BA3C39 #39BA3C

tetradic

#3C39BA #BA3977 #B7BA39 #39BA7C

square

#3C39BA #BA3977 #B7BA39 #39BA7C

split-complementary

#3C39BA #BA7C39 #77BA39

monochromatic

#1E1C5C #2D2B8B #3C39BA #6461CF #9290DD

Accessibility & contrast

On white

8.45

#3C39BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3C39BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C39BA

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C39BA	#FFFFFF	#000000	##FFFFFF
##3C39BA	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	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: #3c39ba;
/* rgb */ color: rgb(60, 57, 186);
/* oklch */ color: oklch(43.8% 0.195 275.7);

Tailwind

colors: {
  custom: {
    50: '#8270d0',
    500: '#3c39ba',
    950: '#000000',
  },
}

SCSS

$custom: #3c39ba;
$custom-light: #8270d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c39ba",
  "rgb": {
    "r": 60,
    "g": 57,
    "b": 186
  },
  "hsl": {
    "h": 241.395,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43804,
    "c": 0.19542,
    "h": 275.7
  },
  "luminance": 0.07432
}

Semantic roles & 50–950 ramp

primary

#3C39BA

secondary

#C6C887

accent

#DC4BD9

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3C39BA

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

Preview Lab → · Contrast checker → · Palette generator →