#281A4C#281A4C

#281A4C is a dark, moderate violet. Relative luminance 0.017; OKLCH L 26.7% C 0.088 H 292.2°. Best body text is #FFFFFF at 15.64:1 contrast (WCAG AA passes).

Color values

HEX	#281A4C
RGB	rgb(40, 26, 76)
HSL	hsl(257, 49%, 20%)
HSV	hsv(257, 66%, 30%)
CMYK	cmyk(47.4%, 65.8%, 0%, 70.2%)
CIE-LAB	lab(13.89, 20.80, -28.70)
CIE-LCH	lch(13.89, 35.44, 305.93°)
OKLab	oklab(26.65% 0.0335 -0.0818)
OKLCH	oklch(26.65% 0.088 292.2)
XYZ	xyz(2.5486, 1.7116, 7.0322)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A4C #3E4C1A

analogous

#1A254C #281A4C #411A4C

triadic

#281A4C #4C281A #1A4C28

tetradic

#281A4C #4C1A25 #3E4C1A #1A4C41

square

#281A4C #4C1A25 #3E4C1A #1A4C41

split-complementary

#281A4C #4C411A #254C1A

monochromatic

#0C0817 #100A1E #281A4C #402A7A #5839A7

Accessibility & contrast

On white

15.64

#281A4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#281A4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A4C

15.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A4C	#FFFFFF	#000000	##FFFFFF
##281A4C	1.00	15.64	1.34	15.64
#FFFFFF	15.64	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00244E

Deuteranopia (green-blind)

#01224B

Tritanopia (blue-blind)

#1E2530

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #281a4c;
/* rgb */ color: rgb(40, 26, 76);
/* oklch */ color: oklch(26.7% 0.088 292.2);

Tailwind

colors: {
  custom: {
    50: '#65577e',
    500: '#281a4c',
    950: '#000000',
  },
}

SCSS

$custom: #281a4c;
$custom-light: #65577e;
$custom-dark: #000000;

JSON

{
  "hex": "#281a4c",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 76
  },
  "hsl": {
    "h": 256.8,
    "s": 49.02,
    "l": 20
  },
  "oklch": {
    "l": 0.2665,
    "c": 0.0884,
    "h": 292.2
  },
  "luminance": 0.01712
}

Semantic roles & 50–950 ramp

primary

#281A4C

secondary

#708240

accent

#D94FB2

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#06030A

muted

#7A787C

Preview Lab

Preview with #281A4C

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

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