#281B45#281B45

#281B45 is a dark, moderate violet. Relative luminance 0.017; OKLCH L 26.3% C 0.076 H 294.9°. Best body text is #FFFFFF at 15.75:1 contrast (WCAG AA passes).

Color values

HEX	#281B45
RGB	rgb(40, 27, 69)
HSL	hsl(259, 44%, 19%)
HSV	hsv(259, 61%, 27%)
CMYK	cmyk(42%, 60.9%, 0%, 72.9%)
CIE-LAB	lab(13.62, 17.81, -24.30)
CIE-LCH	lch(13.62, 30.13, 306.23°)
OKLab	oklab(26.27% 0.032 -0.0689)
OKLCH	oklch(26.27% 0.076 294.9)
XYZ	xyz(2.3409, 1.6646, 5.8270)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281B45 #38451B

analogous

#1B2345 #281B45 #3D1B45

triadic

#281B45 #45281B #1B4528

tetradic

#281B45 #451B23 #38451B #1B453D

square

#281B45 #451B23 #38451B #1B453D

split-complementary

#281B45 #453D1B #23451B

monochromatic

#0D0916 #0F0A19 #281B45 #422C71 #5B3D9D

Accessibility & contrast

On white

15.75

#281B45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#281B45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281B45

15.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281B45	#FFFFFF	#000000	##FFFFFF
##281B45	1.00	15.75	1.33	15.75
#FFFFFF	15.75	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082346

Deuteranopia (green-blind)

#0C2244

Tritanopia (blue-blind)

#21242D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #281b45;
/* rgb */ color: rgb(40, 27, 69);
/* oklch */ color: oklch(26.3% 0.076 294.9);

Tailwind

colors: {
  custom: {
    50: '#645779',
    500: '#281b45',
    950: '#000000',
  },
}

SCSS

$custom: #281b45;
$custom-light: #645779;
$custom-dark: #000000;

JSON

{
  "hex": "#281b45",
  "rgb": {
    "r": 40,
    "g": 27,
    "b": 69
  },
  "hsl": {
    "h": 258.571,
    "s": 43.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.26273,
    "c": 0.07597,
    "h": 294.9
  },
  "luminance": 0.01665
}

Semantic roles & 50–950 ramp

primary

#281B45

secondary

#697B41

accent

#D354AC

background

#F6F5F7

surface

#EBE9ED

border

#C6C5C8

text

#050309

muted

#7A787B

Preview Lab

Preview with #281B45

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

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