#281F4F#281F4F

#281F4F is a dark, moderate violet. Relative luminance 0.020; OKLCH L 27.9% C 0.085 H 288.3°. Best body text is #FFFFFF at 15.01:1 contrast (WCAG AA passes).

Color values

HEX	#281F4F
RGB	rgb(40, 31, 79)
HSL	hsl(251, 44%, 22%)
HSV	hsv(251, 61%, 31%)
CMYK	cmyk(49.4%, 60.8%, 0%, 69%)
CIE-LAB	lab(15.46, 18.36, -28.22)
CIE-LCH	lch(15.46, 33.67, 303.04°)
OKLab	oklab(27.88% 0.0266 -0.0804)
OKLCH	oklch(27.88% 0.085 288.3)
XYZ	xyz(2.7759, 1.9955, 7.6345)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281F4F #464F1F

analogous

#1F2E4F #281F4F #401F4F

triadic

#281F4F #4F281F #1F4F28

tetradic

#281F4F #4F1F2E #464F1F #1F4F40

square

#281F4F #4F1F2E #464F1F #1F4F40

split-complementary

#281F4F #4F401F #2E4F1F

monochromatic

#0B0916 #120E23 #281F4F #3E307B #5541A7

Accessibility & contrast

On white

15.01

#281F4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#281F4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281F4F

15.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281F4F	#FFFFFF	#000000	##FFFFFF
##281F4F	1.00	15.01	1.40	15.01
#FFFFFF	15.01	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#052851

Deuteranopia (green-blind)

#06254E

Tritanopia (blue-blind)

#1C2933

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #281f4f;
/* rgb */ color: rgb(40, 31, 79);
/* oklch */ color: oklch(27.9% 0.085 288.3);

Tailwind

colors: {
  custom: {
    50: '#655b81',
    500: '#281f4f',
    950: '#000000',
  },
}

SCSS

$custom: #281f4f;
$custom-light: #655b81;
$custom-dark: #000000;

JSON

{
  "hex": "#281f4f",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 79
  },
  "hsl": {
    "h": 251.25,
    "s": 43.636,
    "l": 21.569
  },
  "oklch": {
    "l": 0.27881,
    "c": 0.08468,
    "h": 288.3
  },
  "luminance": 0.01996
}

Semantic roles & 50–950 ramp

primary

#281F4F

secondary

#788446

accent

#D354BC

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#06040A

muted

#7A797C

Preview Lab

Preview with #281F4F

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

Preview Lab → · Contrast checker → · Palette generator →