#3C28B2#3C28B2

#3C28B2 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.6% C 0.203 H 278.9°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#3C28B2
RGB	rgb(60, 40, 178)
HSL	hsl(249, 63%, 43%)
HSV	hsv(249, 78%, 70%)
CMYK	cmyk(66.3%, 77.5%, 0%, 30.2%)
CIE-LAB	lab(28.62, 48.76, -69.40)
CIE-LCH	lch(28.62, 84.82, 305.09°)
OKLab	oklab(40.62% 0.0314 -0.2004)
OKLCH	oklch(40.62% 0.203 278.9)
XYZ	xyz(10.6556, 5.6917, 42.6479)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C28B2 #9EB228

analogous

#2859B2 #3C28B2 #8128B2

triadic

#3C28B2 #B23C28 #28B23C

tetradic

#3C28B2 #B22859 #9EB228 #28B281

square

#3C28B2 #B22859 #9EB228 #28B281

split-complementary

#3C28B2 #B28128 #59B228

monochromatic

#1A124E #2B1D80 #3C28B2 #5843D5 #8475E0

Accessibility & contrast

On white

9.82

#3C28B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3C28B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C28B2

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C28B2	#FFFFFF	#000000	##FFFFFF
##3C28B2	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B6

Deuteranopia (green-blind)

#003EB0

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3c28b2;
/* rgb */ color: rgb(60, 40, 178);
/* oklch */ color: oklch(40.6% 0.203 278.9);

Tailwind

colors: {
  custom: {
    50: '#8266ca',
    500: '#3c28b2',
    950: '#000000',
  },
}

SCSS

$custom: #3c28b2;
$custom-light: #8266ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3c28b2",
  "rgb": {
    "r": 60,
    "g": 40,
    "b": 178
  },
  "hsl": {
    "h": 248.696,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40621,
    "c": 0.20287,
    "h": 278.9
  },
  "luminance": 0.05693
}

Semantic roles & 50–950 ramp

primary

#3C28B2

secondary

#BAC76F

accent

#E641CE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3C28B2

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

Preview Lab → · Contrast checker → · Palette generator →