#3D28B3#3D28B3

#3D28B3 is a dark, highly saturated blue. Relative luminance 0.058; OKLCH L 40.8% C 0.204 H 279.2°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#3D28B3
RGB	rgb(61, 40, 179)
HSL	hsl(249, 63%, 43%)
HSV	hsv(249, 78%, 70%)
CMYK	cmyk(65.9%, 77.7%, 0%, 29.8%)
CIE-LAB	lab(28.81, 49.17, -69.69)
CIE-LCH	lch(28.81, 85.29, 305.21°)
OKLab	oklab(40.8% 0.0326 -0.2012)
OKLCH	oklch(40.8% 0.204 279.2)
XYZ	xyz(10.8173, 5.7635, 43.1815)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D28B3 #9EB328

analogous

#2858B3 #3D28B3 #8228B3

triadic

#3D28B3 #B33D28 #28B33D

tetradic

#3D28B3 #B32858 #9EB328 #28B382

square

#3D28B3 #B32858 #9EB328 #28B382

split-complementary

#3D28B3 #B38228 #58B328

monochromatic

#1B124F #2C1D81 #3D28B3 #5943D5 #8575E0

Accessibility & contrast

On white

9.75

#3D28B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#3D28B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D28B3

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D28B3	#FFFFFF	#000000	##FFFFFF
##3D28B3	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	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: #3d28b3;
/* rgb */ color: rgb(61, 40, 179);
/* oklch */ color: oklch(40.8% 0.204 279.2);

Tailwind

colors: {
  custom: {
    50: '#8366cb',
    500: '#3d28b3',
    950: '#000000',
  },
}

SCSS

$custom: #3d28b3;
$custom-light: #8366cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3d28b3",
  "rgb": {
    "r": 61,
    "g": 40,
    "b": 179
  },
  "hsl": {
    "h": 249.065,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40804,
    "c": 0.20385,
    "h": 279.2
  },
  "luminance": 0.05764
}

Semantic roles & 50–950 ramp

primary

#3D28B3

secondary

#BAC86F

accent

#E641CE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3D28B3

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

Preview Lab → · Contrast checker → · Palette generator →