#3C43BA#3C43BA

#3C43BA is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.5% C 0.184 H 273.8°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#3C43BA
RGB	rgb(60, 67, 186)
HSL	hsl(237, 51%, 48%)
HSV	hsv(237, 68%, 73%)
CMYK	cmyk(67.7%, 64%, 0%, 27.1%)
CIE-LAB	lab(35.04, 35.82, -63.60)
CIE-LCH	lch(35.04, 72.99, 299.39°)
OKLab	oklab(45.45% 0.0123 -0.1835)
OKLCH	oklch(45.45% 0.184 273.8)
XYZ	xyz(12.7306, 8.5190, 47.4183)
Luminance	0.0852 (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

#3C43BA #BAB33C

analogous

#3C82BA #3C43BA #743CBA

triadic

#3C43BA #BA3C43 #43BA3C

tetradic

#3C43BA #BA3C82 #BAB33C #3CBA74

square

#3C43BA #BA3C82 #BAB33C #3CBA74

split-complementary

#3C43BA #BA743C #82BA3C

monochromatic

#1E225D #2D328C #3C43BA #666BCE #9498DC

Accessibility & contrast

On white

7.77

#3C43BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3C43BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C43BA

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C43BA	#FFFFFF	#000000	##FFFFFF
##3C43BA	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BE

Deuteranopia (green-blind)

#004DB8

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3c43ba;
/* rgb */ color: rgb(60, 67, 186);
/* oklch */ color: oklch(45.5% 0.184 273.8);

Tailwind

colors: {
  custom: {
    50: '#8277d0',
    500: '#3c43ba',
    950: '#000000',
  },
}

SCSS

$custom: #3c43ba;
$custom-light: #8277d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c43ba",
  "rgb": {
    "r": 60,
    "g": 67,
    "b": 186
  },
  "hsl": {
    "h": 236.667,
    "s": 51.22,
    "l": 48.235
  },
  "oklch": {
    "l": 0.45454,
    "c": 0.18392,
    "h": 273.8
  },
  "luminance": 0.0852
}

Semantic roles & 50–950 ramp

primary

#3C43BA

secondary

#C8C48A

accent

#D34DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3C43BA

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

Preview Lab → · Contrast checker → · Palette generator →