#3C28B1#3C28B1

#3C28B1 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.5% C 0.202 H 279.0°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#3C28B1
RGB	rgb(60, 40, 177)
HSL	hsl(249, 63%, 43%)
HSV	hsv(249, 77%, 69%)
CMYK	cmyk(66.1%, 77.4%, 0%, 30.6%)
CIE-LAB	lab(28.52, 48.45, -68.98)
CIE-LCH	lch(28.52, 84.29, 305.09°)
OKLab	oklab(40.52% 0.0317 -0.1992)
OKLCH	oklch(40.52% 0.202 279)
XYZ	xyz(10.5555, 5.6517, 42.1211)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C28B1 #9DB128

analogous

#2859B1 #3C28B1 #8028B1

triadic

#3C28B1 #B13C28 #28B13C

tetradic

#3C28B1 #B12859 #9DB128 #28B180

square

#3C28B1 #B12859 #9DB128 #28B180

split-complementary

#3C28B1 #B18028 #59B128

monochromatic

#1A114D #2B1D7F #3C28B1 #5742D4 #8474E0

Accessibility & contrast

On white

9.86

#3C28B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3C28B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C28B1

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C28B1	#FFFFFF	#000000	##FFFFFF
##3C28B1	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B5

Deuteranopia (green-blind)

#003EAF

Tritanopia (blue-blind)

#00506C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3c28b1;
/* rgb */ color: rgb(60, 40, 177);
/* oklch */ color: oklch(40.5% 0.202 279.0);

Tailwind

colors: {
  custom: {
    50: '#8265ca',
    500: '#3c28b1',
    950: '#000000',
  },
}

SCSS

$custom: #3c28b1;
$custom-light: #8265ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3c28b1",
  "rgb": {
    "r": 60,
    "g": 40,
    "b": 177
  },
  "hsl": {
    "h": 248.759,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40517,
    "c": 0.20169,
    "h": 279
  },
  "luminance": 0.05653
}

Semantic roles & 50–950 ramp

primary

#3C28B1

secondary

#BAC76E

accent

#E642CE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3C28B1

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

Preview Lab → · Contrast checker → · Palette generator →