#3D28B2#3D28B2

#3D28B2 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.7% C 0.203 H 279.3°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#3D28B2
RGB	rgb(61, 40, 178)
HSL	hsl(249, 63%, 43%)
HSV	hsv(249, 78%, 70%)
CMYK	cmyk(65.7%, 77.5%, 0%, 30.2%)
CIE-LAB	lab(28.70, 48.87, -69.26)
CIE-LCH	lch(28.70, 84.76, 305.20°)
OKLab	oklab(40.7% 0.0329 -0.2)
OKLCH	oklch(40.7% 0.203 279.3)
XYZ	xyz(10.7166, 5.7232, 42.6508)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D28B2 #9DB228

analogous

#2858B2 #3D28B2 #8228B2

triadic

#3D28B2 #B23D28 #28B23D

tetradic

#3D28B2 #B22858 #9DB228 #28B282

square

#3D28B2 #B22858 #9DB228 #28B282

split-complementary

#3D28B2 #B28228 #58B228

monochromatic

#1B124E #2C1D80 #3D28B2 #5943D5 #8575E0

Accessibility & contrast

On white

9.79

#3D28B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3D28B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D28B2

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D28B2	#FFFFFF	#000000	##FFFFFF
##3D28B2	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B6

Deuteranopia (green-blind)

#003EB0

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3d28b2;
/* rgb */ color: rgb(61, 40, 178);
/* oklch */ color: oklch(40.7% 0.203 279.3);

Tailwind

colors: {
  custom: {
    50: '#8366ca',
    500: '#3d28b2',
    950: '#000000',
  },
}

SCSS

$custom: #3d28b2;
$custom-light: #8366ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3d28b2",
  "rgb": {
    "r": 61,
    "g": 40,
    "b": 178
  },
  "hsl": {
    "h": 249.13,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40699,
    "c": 0.20267,
    "h": 279.3
  },
  "luminance": 0.05724
}

Semantic roles & 50–950 ramp

primary

#3D28B2

secondary

#BAC76F

accent

#E641CD

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3D28B2

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

Preview Lab → · Contrast checker → · Palette generator →