#3B3FBB#3B3FBB

#3B3FBB is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.8% C 0.190 H 274.2°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#3B3FBB
RGB	rgb(59, 63, 187)
HSL	hsl(238, 52%, 48%)
HSV	hsv(238, 68%, 73%)
CMYK	cmyk(68.4%, 66.3%, 0%, 26.7%)
CIE-LAB	lab(34.13, 38.51, -65.68)
CIE-LCH	lch(34.13, 76.13, 300.39°)
OKLab	oklab(44.8% 0.014 -0.1897)
OKLCH	oklch(44.8% 0.19 274.2)
XYZ	xyz(12.5478, 8.0715, 47.9008)
Luminance	0.0807 (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

#3B3FBB #BBB73B

analogous

#3B7FBB #3B3FBB #773BBB

triadic

#3B3FBB #BB3B3F #3FBB3B

tetradic

#3B3FBB #BB3B7F #BBB73B #3BBB77

square

#3B3FBB #BB3B7F #BBB73B #3BBB77

split-complementary

#3B3FBB #BB773B #7FBB3B

monochromatic

#1E205E #2C2F8C #3B3FBB #6568CE #9396DD

Accessibility & contrast

On white

8.03

#3B3FBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3B3FBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3FBB

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3FBB	#FFFFFF	#000000	##FFFFFF
##3B3FBB	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BF

Deuteranopia (green-blind)

#004AB9

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3b3fbb;
/* rgb */ color: rgb(59, 63, 187);
/* oklch */ color: oklch(44.8% 0.190 274.2);

Tailwind

colors: {
  custom: {
    50: '#8274d1',
    500: '#3b3fbb',
    950: '#000000',
  },
}

SCSS

$custom: #3b3fbb;
$custom-light: #8274d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3fbb",
  "rgb": {
    "r": 59,
    "g": 63,
    "b": 187
  },
  "hsl": {
    "h": 238.125,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.448,
    "c": 0.19017,
    "h": 274.2
  },
  "luminance": 0.08073
}

Semantic roles & 50–950 ramp

primary

#3B3FBB

secondary

#C8C68A

accent

#D74CDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3B3FBB

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

Preview Lab → · Contrast checker → · Palette generator →