#281CA9#281CA9

#281CA9 is a dark, highly saturated blue. Relative luminance 0.041; OKLCH L 36.8% C 0.207 H 273.2°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#281CA9
RGB	rgb(40, 28, 169)
HSL	hsl(245, 72%, 39%)
HSV	hsv(245, 83%, 66%)
CMYK	cmyk(76.3%, 83.4%, 0%, 33.7%)
CIE-LAB	lab(24.15, 50.11, -71.45)
CIE-LCH	lch(24.15, 87.27, 305.04°)
OKLab	oklab(36.83% 0.0115 -0.2067)
OKLCH	oklch(36.83% 0.207 273.2)
XYZ	xyz(8.4494, 4.1453, 37.8832)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281CA9 #9DA91C

analogous

#1C56A9 #281CA9 #6E1CA9

triadic

#281CA9 #A9281C #1CA928

tetradic

#281CA9 #A91C56 #9DA91C #1CA96E

square

#281CA9 #A91C56 #9DA91C #1CA96E

split-complementary

#281CA9 #A96E1C #56A91C

monochromatic

#0F0B40 #1C1374 #281CA9 #3627DB #675BE4

Accessibility & contrast

On white

11.48

#281CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#281CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281CA9

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281CA9	#FFFFFF	#000000	##FFFFFF
##281CA9	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AD

Deuteranopia (green-blind)

#0033A7

Tritanopia (blue-blind)

#004A64

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #281ca9;
/* rgb */ color: rgb(40, 28, 169);
/* oklch */ color: oklch(36.8% 0.207 273.2);

Tailwind

colors: {
  custom: {
    50: '#795dc4',
    500: '#281ca9',
    950: '#000000',
  },
}

SCSS

$custom: #281ca9;
$custom-light: #795dc4;
$custom-dark: #000000;

JSON

{
  "hex": "#281ca9",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 169
  },
  "hsl": {
    "h": 245.106,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.36834,
    "c": 0.20698,
    "h": 273.2
  },
  "luminance": 0.04146
}

Semantic roles & 50–950 ramp

primary

#281CA9

secondary

#BEC859

accent

#EE39DF

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0413

muted

#7C7982

Preview Lab

Preview with #281CA9

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

Preview Lab → · Contrast checker → · Palette generator →