#3C38BB#3C38BB

#3C38BB is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.7% C 0.198 H 275.8°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#3C38BB
RGB	rgb(60, 56, 187)
HSL	hsl(242, 54%, 48%)
HSV	hsv(242, 70%, 73%)
CMYK	cmyk(67.9%, 70.1%, 0%, 26.7%)
CIE-LAB	lab(32.65, 42.84, -68.11)
CIE-LCH	lch(32.65, 80.46, 302.17°)
OKLab	oklab(43.75% 0.0199 -0.1967)
OKLCH	oklch(43.75% 0.198 275.8)
XYZ	xyz(12.2443, 7.3758, 47.7825)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.49

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C38BB #B7BB38

analogous

#3876BB #3C38BB #7D38BB

triadic

#3C38BB #BB3C38 #38BB3C

tetradic

#3C38BB #BB3876 #B7BB38 #38BB7D

square

#3C38BB #BB3876 #B7BB38 #38BB7D

split-complementary

#3C38BB #BB7D38 #76BB38

monochromatic

#1E1C5D #2D2A8C #3C38BB #6461D0 #9290DE

Accessibility & contrast

On white

8.48

#3C38BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3C38BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C38BB

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C38BB	#FFFFFF	#000000	##FFFFFF
##3C38BB	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BF

Deuteranopia (green-blind)

#0047B9

Tritanopia (blue-blind)

#005C75

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3c38bb;
/* rgb */ color: rgb(60, 56, 187);
/* oklch */ color: oklch(43.7% 0.198 275.8);

Tailwind

colors: {
  custom: {
    50: '#8370d1',
    500: '#3c38bb',
    950: '#000000',
  },
}

SCSS

$custom: #3c38bb;
$custom-light: #8370d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c38bb",
  "rgb": {
    "r": 60,
    "g": 56,
    "b": 187
  },
  "hsl": {
    "h": 241.832,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43746,
    "c": 0.19776,
    "h": 275.8
  },
  "luminance": 0.07377
}

Semantic roles & 50–950 ramp

primary

#3C38BB

secondary

#C6C886

accent

#DD4BD9

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3C38BB

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

Preview Lab → · Contrast checker → · Palette generator →