#3C43BF#3C43BF

#3C43BF is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.9% C 0.190 H 273.6°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#3C43BF
RGB	rgb(60, 67, 191)
HSL	hsl(237, 52%, 49%)
HSV	hsv(237, 69%, 75%)
CMYK	cmyk(68.6%, 64.9%, 0%, 25.1%)
CIE-LAB	lab(35.47, 37.54, -65.83)
CIE-LCH	lch(35.47, 75.79, 299.70°)
OKLab	oklab(45.9% 0.012 -0.1901)
OKLCH	oklch(45.9% 0.19 273.6)
XYZ	xyz(13.2715, 8.7353, 50.2668)
Luminance	0.0874 (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

#3C43BF #BFB83C

analogous

#3C85BF #3C43BF #773CBF

triadic

#3C43BF #BF3C43 #43BF3C

tetradic

#3C43BF #BF3C85 #BFB83C #3CBF77

square

#3C43BF #BF3C85 #BFB83C #3CBF77

split-complementary

#3C43BF #BF773C #85BF3C

monochromatic

#1F2262 #2D3390 #3C43BF #686ED0 #979BDE

Accessibility & contrast

On white

7.64

#3C43BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3C43BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C43BF

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C43BF	#FFFFFF	#000000	##FFFFFF
##3C43BF	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C3

Deuteranopia (green-blind)

#004DBD

Tritanopia (blue-blind)

#00637B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3c43bf;
/* rgb */ color: rgb(60, 67, 191);
/* oklch */ color: oklch(45.9% 0.190 273.6);

Tailwind

colors: {
  custom: {
    50: '#8377d3',
    500: '#3c43bf',
    950: '#000000',
  },
}

SCSS

$custom: #3c43bf;
$custom-light: #8377d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3c43bf",
  "rgb": {
    "r": 60,
    "g": 67,
    "b": 191
  },
  "hsl": {
    "h": 236.794,
    "s": 52.191,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45899,
    "c": 0.19045,
    "h": 273.6
  },
  "luminance": 0.08737
}

Semantic roles & 50–950 ramp

primary

#3C43BF

secondary

#CAC78D

accent

#D44CDC

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3C43BF

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

Preview Lab → · Contrast checker → · Palette generator →