#281A4E#281A4E

#281A4E is a dark, moderate violet. Relative luminance 0.017; OKLCH L 26.8% C 0.091 H 291.4°. Best body text is #FFFFFF at 15.58:1 contrast (WCAG AA passes).

Color values

HEX	#281A4E
RGB	rgb(40, 26, 78)
HSL	hsl(256, 50%, 20%)
HSV	hsv(256, 67%, 31%)
CMYK	cmyk(48.7%, 66.7%, 0%, 69.4%)
CIE-LAB	lab(14.06, 21.46, -29.81)
CIE-LCH	lch(14.06, 36.73, 305.75°)
OKLab	oklab(26.82% 0.0334 -0.0851)
OKLCH	oklch(26.82% 0.091 291.4)
XYZ	xyz(2.6192, 1.7399, 7.4041)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281A4E #404E1A

analogous

#1A264E #281A4E #421A4E

triadic

#281A4E #4E281A #1A4E28

tetradic

#281A4E #4E1A26 #404E1A #1A4E42

square

#281A4E #4E1A26 #404E1A #1A4E42

split-complementary

#281A4E #4E421A #264E1A

monochromatic

#0C0817 #100B20 #281A4E #40297C #5739AA

Accessibility & contrast

On white

15.58

#281A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#281A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281A4E

15.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281A4E	#FFFFFF	#000000	##FFFFFF
##281A4E	1.00	15.58	1.35	15.58
#FFFFFF	15.58	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002550

Deuteranopia (green-blind)

#00234D

Tritanopia (blue-blind)

#1D2631

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #281a4e;
/* rgb */ color: rgb(40, 26, 78);
/* oklch */ color: oklch(26.8% 0.091 291.4);

Tailwind

colors: {
  custom: {
    50: '#655780',
    500: '#281a4e',
    950: '#000000',
  },
}

SCSS

$custom: #281a4e;
$custom-light: #655780;
$custom-dark: #000000;

JSON

{
  "hex": "#281a4e",
  "rgb": {
    "r": 40,
    "g": 26,
    "b": 78
  },
  "hsl": {
    "h": 256.154,
    "s": 50,
    "l": 20.392
  },
  "oklch": {
    "l": 0.26821,
    "c": 0.09139,
    "h": 291.4
  },
  "luminance": 0.0174
}

Semantic roles & 50–950 ramp

primary

#281A4E

secondary

#728440

accent

#DA4EB4

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#06030A

muted

#7A787C

Preview Lab

Preview with #281A4E

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

Preview Lab → · Contrast checker → · Palette generator →