#3D288B#3D288B

#3D288B is a dark, vivid violet. Relative luminance 0.044; OKLCH L 36.8% C 0.155 H 285.7°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#3D288B
RGB	rgb(61, 40, 139)
HSL	hsl(253, 55%, 35%)
HSV	hsv(253, 71%, 55%)
CMYK	cmyk(56.1%, 71.2%, 0%, 45.5%)
CIE-LAB	lab(24.87, 36.78, -51.80)
CIE-LCH	lch(24.87, 63.53, 305.38°)
OKLab	oklab(36.83% 0.0419 -0.149)
OKLCH	oklch(36.83% 0.155 285.7)
XYZ	xyz(7.3421, 4.3734, 24.8784)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D288B #768B28

analogous

#28458B #3D288B #6E288B

triadic

#3D288B #8B3D28 #288B3D

tetradic

#3D288B #8B2845 #768B28 #288B6E

square

#3D288B #8B2845 #768B28 #288B6E

split-complementary

#3D288B #8B6E28 #458B28

monochromatic

#130D2C #281A5B #3D288B #5236BB #755DD0

Accessibility & contrast

On white

11.20

#3D288B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#3D288B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D288B

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D288B	#FFFFFF	#000000	##FFFFFF
##3D288B	1.00	11.20	1.87	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8E

Deuteranopia (green-blind)

#003889

Tritanopia (blue-blind)

#1B4256

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #3d288b;
/* rgb */ color: rgb(61, 40, 139);
/* oklch */ color: oklch(36.8% 0.155 285.7);

Tailwind

colors: {
  custom: {
    50: '#7b64ae',
    500: '#3d288b',
    950: '#000000',
  },
}

SCSS

$custom: #3d288b;
$custom-light: #7b64ae;
$custom-dark: #000000;

JSON

{
  "hex": "#3d288b",
  "rgb": {
    "r": 61,
    "g": 40,
    "b": 139
  },
  "hsl": {
    "h": 252.727,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36831,
    "c": 0.15474,
    "h": 285.7
  },
  "luminance": 0.04374
}

Semantic roles & 50–950 ramp

primary

#3D288B

secondary

#A2B659

accent

#DF49BF

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0510

muted

#7C7A7F

Preview Lab

Preview with #3D288B

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

Preview Lab → · Contrast checker → · Palette generator →