#3C3FB2#3C3FB2

#3C3FB2 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.1% C 0.178 H 275.1°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#3C3FB2
RGB	rgb(60, 63, 178)
HSL	hsl(238, 50%, 47%)
HSV	hsv(238, 66%, 70%)
CMYK	cmyk(66.3%, 64.6%, 0%, 30.2%)
CIE-LAB	lab(33.41, 35.56, -61.53)
CIE-LCH	lch(33.41, 71.06, 300.03°)
OKLab	oklab(44.05% 0.016 -0.1775)
OKLCH	oklch(44.05% 0.178 275.1)
XYZ	xyz(11.6742, 7.7290, 42.9875)
Luminance	0.0773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C3FB2 #B2AF3C

analogous

#3C7AB2 #3C3FB2 #743CB2

triadic

#3C3FB2 #B23C3F #3FB23C

tetradic

#3C3FB2 #B23C7A #B2AF3C #3CB274

square

#3C3FB2 #B23C7A #B2AF3C #3CB274

split-complementary

#3C3FB2 #B2743C #7AB23C

monochromatic

#1D1F56 #2D2F84 #3C3FB2 #6164CA #8F91D9

Accessibility & contrast

On white

8.25

#3C3FB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3C3FB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C3FB2

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C3FB2	#FFFFFF	#000000	##FFFFFF
##3C3FB2	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B6

Deuteranopia (green-blind)

#0049B0

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3c3fb2;
/* rgb */ color: rgb(60, 63, 178);
/* oklch */ color: oklch(44.1% 0.178 275.1);

Tailwind

colors: {
  custom: {
    50: '#8074ca',
    500: '#3c3fb2',
    950: '#000000',
  },
}

SCSS

$custom: #3c3fb2;
$custom-light: #8074ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3c3fb2",
  "rgb": {
    "r": 60,
    "g": 63,
    "b": 178
  },
  "hsl": {
    "h": 238.475,
    "s": 49.58,
    "l": 46.667
  },
  "oklch": {
    "l": 0.44052,
    "c": 0.17819,
    "h": 275.1
  },
  "luminance": 0.0773
}

Semantic roles & 50–950 ramp

primary

#3C3FB2

secondary

#C4C386

accent

#D64FD9

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3C3FB2

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

Preview Lab → · Contrast checker → · Palette generator →