#3D28B1#3D28B1

#3D28B1 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.6% C 0.201 H 279.5°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#3D28B1
RGB	rgb(61, 40, 177)
HSL	hsl(249, 63%, 43%)
HSV	hsv(249, 77%, 69%)
CMYK	cmyk(65.5%, 77.4%, 0%, 30.6%)
CIE-LAB	lab(28.60, 48.56, -68.84)
CIE-LCH	lch(28.60, 84.24, 305.20°)
OKLab	oklab(40.6% 0.0331 -0.1987)
OKLCH	oklch(40.6% 0.201 279.5)
XYZ	xyz(10.6165, 5.6831, 42.1239)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D28B1 #9CB128

analogous

#2858B1 #3D28B1 #8128B1

triadic

#3D28B1 #B13D28 #28B13D

tetradic

#3D28B1 #B12858 #9CB128 #28B181

square

#3D28B1 #B12858 #9CB128 #28B181

split-complementary

#3D28B1 #B18128 #58B128

monochromatic

#1B114D #2C1D7F #3D28B1 #5842D4 #8474E0

Accessibility & contrast

On white

9.83

#3D28B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3D28B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D28B1

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D28B1	#FFFFFF	#000000	##FFFFFF
##3D28B1	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	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: #3d28b1;
/* rgb */ color: rgb(61, 40, 177);
/* oklch */ color: oklch(40.6% 0.201 279.5);

Tailwind

colors: {
  custom: {
    50: '#8266ca',
    500: '#3d28b1',
    950: '#000000',
  },
}

SCSS

$custom: #3d28b1;
$custom-light: #8266ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3d28b1",
  "rgb": {
    "r": 61,
    "g": 40,
    "b": 177
  },
  "hsl": {
    "h": 249.197,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40595,
    "c": 0.20149,
    "h": 279.5
  },
  "luminance": 0.05684
}

Semantic roles & 50–950 ramp

primary

#3D28B1

secondary

#B9C76E

accent

#E642CD

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3D28B1

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

Preview Lab → · Contrast checker → · Palette generator →