#281C98#281C98

#281C98 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.8% C 0.187 H 274.9°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#281C98
RGB	rgb(40, 28, 152)
HSL	hsl(246, 69%, 35%)
HSV	hsv(246, 82%, 60%)
CMYK	cmyk(73.7%, 81.6%, 0%, 40.4%)
CIE-LAB	lab(22.12, 44.85, -64.45)
CIE-LCH	lch(22.12, 78.52, 304.83°)
OKLab	oklab(34.84% 0.0161 -0.1864)
OKLCH	oklch(34.84% 0.187 274.9)
XYZ	xyz(6.9560, 3.5479, 30.0179)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C98 #8C981C

analogous

#1C4E98 #281C98 #661C98

triadic

#281C98 #98281C #1C9828

tetradic

#281C98 #981C4E #8C981C #1C9866

square

#281C98 #981C4E #8C981C #1C9866

split-complementary

#281C98 #98661C #4E981C

monochromatic

#0D0931 #1A1264 #281C98 #3626CC #5E50DF

Accessibility & contrast

On white

12.28

#281C98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#281C98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C98

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C98	#FFFFFF	#000000	##FFFFFF
##281C98	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9B

Deuteranopia (green-blind)

#002F96

Tritanopia (blue-blind)

#00435B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #281c98;
/* rgb */ color: rgb(40, 28, 152);
/* oklch */ color: oklch(34.8% 0.187 274.9);

Tailwind

colors: {
  custom: {
    50: '#755cb8',
    500: '#281c98',
    950: '#000000',
  },
}

SCSS

$custom: #281c98;
$custom-light: #755cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#281c98",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 152
  },
  "hsl": {
    "h": 245.806,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.34842,
    "c": 0.18705,
    "h": 274.9
  },
  "luminance": 0.03549
}

Semantic roles & 50–950 ramp

primary

#281C98

secondary

#B6C14E

accent

#EC3CDB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281C98

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

Preview Lab → · Contrast checker → · Palette generator →