#3B28C7#3B28C7

#3B28C7 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.8% C 0.227 H 276.2°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#3B28C7
RGB	rgb(59, 40, 199)
HSL	hsl(247, 67%, 47%)
HSV	hsv(247, 80%, 78%)
CMYK	cmyk(70.4%, 79.9%, 0%, 22%)
CIE-LAB	lab(30.81, 54.99, -78.20)
CIE-LCH	lch(30.81, 95.60, 305.11°)
OKLab	oklab(42.79% 0.0245 -0.226)
OKLCH	oklch(42.79% 0.227 276.2)
XYZ	xyz(12.8679, 6.5697, 54.6117)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B28C7 #B4C728

analogous

#2865C7 #3B28C7 #8B28C7

triadic

#3B28C7 #C73B28 #28C73B

tetradic

#3B28C7 #C72865 #B4C728 #28C78B

square

#3B28C7 #C72865 #B4C728 #28C78B

split-complementary

#3B28C7 #C78B28 #65C728

monochromatic

#1D1461 #2C1E94 #3B28C7 #6150DC #8F83E6

Accessibility & contrast

On white

9.07

#3B28C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3B28C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B28C7

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B28C7	#FFFFFF	#000000	##FFFFFF
##3B28C7	1.00	9.07	2.31	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FCB

Deuteranopia (green-blind)

#0041C4

Tritanopia (blue-blind)

#005978

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3b28c7;
/* rgb */ color: rgb(59, 40, 199);
/* oklch */ color: oklch(42.8% 0.227 276.2);

Tailwind

colors: {
  custom: {
    50: '#8667d9',
    500: '#3b28c7',
    950: '#000000',
  },
}

SCSS

$custom: #3b28c7;
$custom-light: #8667d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b28c7",
  "rgb": {
    "r": 59,
    "g": 40,
    "b": 199
  },
  "hsl": {
    "h": 247.17,
    "s": 66.527,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42792,
    "c": 0.22737,
    "h": 276.2
  },
  "luminance": 0.06571
}

Semantic roles & 50–950 ramp

primary

#3B28C7

secondary

#C5CF7C

accent

#E93ED5

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #3B28C7

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

Preview Lab → · Contrast checker → · Palette generator →