#3B28B3#3B28B3

#3B28B3 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.6% C 0.204 H 278.4°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#3B28B3
RGB	rgb(59, 40, 179)
HSL	hsl(248, 63%, 43%)
HSV	hsv(248, 78%, 70%)
CMYK	cmyk(67%, 77.7%, 0%, 29.8%)
CIE-LAB	lab(28.65, 48.96, -69.96)
CIE-LCH	lch(28.65, 85.39, 304.99°)
OKLab	oklab(40.65% 0.0298 -0.2021)
OKLCH	oklch(40.65% 0.204 278.4)
XYZ	xyz(10.6965, 5.7012, 43.1758)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B28B3 #A0B328

analogous

#285BB3 #3B28B3 #8028B3

triadic

#3B28B3 #B33B28 #28B33B

tetradic

#3B28B3 #B3285B #A0B328 #28B380

square

#3B28B3 #B3285B #A0B328 #28B380

split-complementary

#3B28B3 #B38028 #5BB328

monochromatic

#1A124F #2B1D81 #3B28B3 #5743D5 #8475E0

Accessibility & contrast

On white

9.81

#3B28B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3B28B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B28B3

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B28B3	#FFFFFF	#000000	##FFFFFF
##3B28B3	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B7

Deuteranopia (green-blind)

#003EB1

Tritanopia (blue-blind)

#00516D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3b28b3;
/* rgb */ color: rgb(59, 40, 179);
/* oklch */ color: oklch(40.6% 0.204 278.4);

Tailwind

colors: {
  custom: {
    50: '#8266cb',
    500: '#3b28b3',
    950: '#000000',
  },
}

SCSS

$custom: #3b28b3;
$custom-light: #8266cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b28b3",
  "rgb": {
    "r": 59,
    "g": 40,
    "b": 179
  },
  "hsl": {
    "h": 248.201,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40649,
    "c": 0.20425,
    "h": 278.4
  },
  "luminance": 0.05702
}

Semantic roles & 50–950 ramp

primary

#3B28B3

secondary

#BCC86F

accent

#E641D0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3B28B3

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

Preview Lab → · Contrast checker → · Palette generator →