#3C3FBB#3C3FBB

#3C3FBB is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.9% C 0.190 H 274.6°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#3C3FBB
RGB	rgb(60, 63, 187)
HSL	hsl(239, 51%, 48%)
HSV	hsv(239, 68%, 73%)
CMYK	cmyk(67.9%, 66.3%, 0%, 26.7%)
CIE-LAB	lab(34.20, 38.64, -65.57)
CIE-LCH	lch(34.20, 76.11, 300.51°)
OKLab	oklab(44.86% 0.0152 -0.1893)
OKLCH	oklch(44.86% 0.19 274.6)
XYZ	xyz(12.6077, 8.1024, 47.9036)
Luminance	0.0810 (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

#3C3FBB #BBB83C

analogous

#3C7EBB #3C3FBB #783CBB

triadic

#3C3FBB #BB3C3F #3FBB3C

tetradic

#3C3FBB #BB3C7E #BBB83C #3CBB78

square

#3C3FBB #BB3C7E #BBB83C #3CBB78

split-complementary

#3C3FBB #BB783C #7EBB3C

monochromatic

#1E205E #2D2F8D #3C3FBB #6669CE #9596DD

Accessibility & contrast

On white

8.01

#3C3FBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3C3FBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C3FBB

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C3FBB	#FFFFFF	#000000	##FFFFFF
##3C3FBB	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BF

Deuteranopia (green-blind)

#004BB9

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3c3fbb;
/* rgb */ color: rgb(60, 63, 187);
/* oklch */ color: oklch(44.9% 0.190 274.6);

Tailwind

colors: {
  custom: {
    50: '#8274d1',
    500: '#3c3fbb',
    950: '#000000',
  },
}

SCSS

$custom: #3c3fbb;
$custom-light: #8274d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c3fbb",
  "rgb": {
    "r": 60,
    "g": 63,
    "b": 187
  },
  "hsl": {
    "h": 238.583,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44863,
    "c": 0.18993,
    "h": 274.6
  },
  "luminance": 0.08104
}

Semantic roles & 50–950 ramp

primary

#3C3FBB

secondary

#C8C78B

accent

#D84DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3C3FBB

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

Preview Lab → · Contrast checker → · Palette generator →