#3B38BB#3B38BB

#3B38BB is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.7% C 0.198 H 275.4°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#3B38BB
RGB	rgb(59, 56, 187)
HSL	hsl(241, 54%, 48%)
HSV	hsv(241, 70%, 73%)
CMYK	cmyk(68.4%, 70.1%, 0%, 26.7%)
CIE-LAB	lab(32.58, 42.72, -68.22)
CIE-LCH	lch(32.58, 80.49, 302.05°)
OKLab	oklab(43.68% 0.0187 -0.1971)
OKLCH	oklch(43.68% 0.198 275.4)
XYZ	xyz(12.1845, 7.3449, 47.7797)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.56

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B38BB #B8BB38

analogous

#3876BB #3B38BB #7C38BB

triadic

#3B38BB #BB3B38 #38BB3B

tetradic

#3B38BB #BB3876 #B8BB38 #38BB7C

square

#3B38BB #BB3876 #B8BB38 #38BB7C

split-complementary

#3B38BB #BB7C38 #76BB38

monochromatic

#1D1C5D #2C2A8C #3B38BB #6361D0 #9290DE

Accessibility & contrast

On white

8.50

#3B38BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3B38BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B38BB

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B38BB	#FFFFFF	#000000	##FFFFFF
##3B38BB	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BF

Deuteranopia (green-blind)

#0047B9

Tritanopia (blue-blind)

#005C75

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3b38bb;
/* rgb */ color: rgb(59, 56, 187);
/* oklch */ color: oklch(43.7% 0.198 275.4);

Tailwind

colors: {
  custom: {
    50: '#8270d1',
    500: '#3b38bb',
    950: '#000000',
  },
}

SCSS

$custom: #3b38bb;
$custom-light: #8270d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b38bb",
  "rgb": {
    "r": 59,
    "g": 56,
    "b": 187
  },
  "hsl": {
    "h": 241.374,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43679,
    "c": 0.198,
    "h": 275.4
  },
  "luminance": 0.07346
}

Semantic roles & 50–950 ramp

primary

#3B38BB

secondary

#C7C886

accent

#DD4BDA

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3B38BB

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

Preview Lab → · Contrast checker → · Palette generator →