#281C4E#281C4E

#281C4E is a dark, moderate violet. Relative luminance 0.018; OKLCH L 27.2% C 0.088 H 290.4°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#281C4E
RGB	rgb(40, 28, 78)
HSL	hsl(254, 47%, 21%)
HSV	hsv(254, 64%, 31%)
CMYK	cmyk(48.7%, 64.1%, 0%, 69.4%)
CIE-LAB	lab(14.58, 20.10, -28.97)
CIE-LCH	lch(14.58, 35.26, 304.76°)
OKLab	oklab(27.2% 0.0307 -0.0826)
OKLCH	oklch(27.2% 0.088 290.4)
XYZ	xyz(2.6651, 1.8316, 7.4194)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.13

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C4E #424E1C

analogous

#1C294E #281C4E #411C4E

triadic

#281C4E #4E281C #1C4E28

tetradic

#281C4E #4E1C29 #424E1C #1C4E41

square

#281C4E #4E1C29 #424E1C #1C4E41

split-complementary

#281C4E #4E411C #294E1C

monochromatic

#0C0817 #110C21 #281C4E #3F2C7B #563CA8

Accessibility & contrast

On white

15.37

#281C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#281C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C4E

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C4E	#FFFFFF	#000000	##FFFFFF
##281C4E	1.00	15.37	1.37	15.37
#FFFFFF	15.37	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002650

Deuteranopia (green-blind)

#01244D

Tritanopia (blue-blind)

#1D2731

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #281c4e;
/* rgb */ color: rgb(40, 28, 78);
/* oklch */ color: oklch(27.2% 0.088 290.4);

Tailwind

colors: {
  custom: {
    50: '#655880',
    500: '#281c4e',
    950: '#000000',
  },
}

SCSS

$custom: #281c4e;
$custom-light: #655880;
$custom-dark: #000000;

JSON

{
  "hex": "#281c4e",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 78
  },
  "hsl": {
    "h": 254.4,
    "s": 47.17,
    "l": 20.784
  },
  "oklch": {
    "l": 0.27202,
    "c": 0.08812,
    "h": 290.4
  },
  "luminance": 0.01832
}

Semantic roles & 50–950 ramp

primary

#281C4E

secondary

#748442

accent

#D751B7

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#06030A

muted

#7A787C

Preview Lab

Preview with #281C4E

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

Preview Lab → · Contrast checker → · Palette generator →