#281A5C#281A5C

#281A5C is a dark, moderate violet. Relative luminance 0.020; OKLCH L 28.1% C 0.112 H 286.5°. Best body text is #FFFFFF at 15.08:1 contrast (WCAG AA passes).

Color values

HEX	#281A5C
RGB	rgb(40, 26, 92)
HSL	hsl(253, 56%, 23%)
HSV	hsv(253, 72%, 36%)
CMYK	cmyk(56.5%, 71.7%, 0%, 63.9%)
CIE-LAB	lab(15.29, 26.18, -37.28)
CIE-LCH	lch(15.29, 45.56, 305.07°)
OKLab	oklab(28.1% 0.0318 -0.1071)
OKLCH	oklch(28.1% 0.112 286.5)
XYZ	xyz(3.1757, 1.9624, 10.3346)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A5C #4E5C1A

analogous

#1A2D5C #281A5C #491A5C

triadic

#281A5C #5C281A #1A5C28

tetradic

#281A5C #5C1A2D #4E5C1A #1A5C49

square

#281A5C #5C1A2D #4E5C1A #1A5C49

split-complementary

#281A5C #5C491A #2D5C1A

monochromatic

#0A0718 #130D2C #281A5C #3D278C #5135BB

Accessibility & contrast

On white

15.08

#281A5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#281A5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A5C

15.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A5C	#FFFFFF	#000000	##FFFFFF
##281A5C	1.00	15.08	1.39	15.08
#FFFFFF	15.08	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285E

Deuteranopia (green-blind)

#00245B

Tritanopia (blue-blind)

#132B38

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #281a5c;
/* rgb */ color: rgb(40, 26, 92);
/* oklch */ color: oklch(28.1% 0.112 286.5);

Tailwind

colors: {
  custom: {
    50: '#68578b',
    500: '#281a5c',
    950: '#000000',
  },
}

SCSS

$custom: #281a5c;
$custom-light: #68578b;
$custom-dark: #000000;

JSON

{
  "hex": "#281a5c",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 92
  },
  "hsl": {
    "h": 252.727,
    "s": 55.932,
    "l": 23.137
  },
  "oklch": {
    "l": 0.281,
    "c": 0.11169,
    "h": 286.5
  },
  "luminance": 0.01963
}

Semantic roles & 50–950 ramp

primary

#281A5C

secondary

#819240

accent

#DF49BF

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #281A5C

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

Preview Lab → · Contrast checker → · Palette generator →