#281CA8#281CA8

#281CA8 is a dark, highly saturated blue. Relative luminance 0.041; OKLCH L 36.7% C 0.206 H 273.3°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#281CA8
RGB	rgb(40, 28, 168)
HSL	hsl(245, 71%, 38%)
HSV	hsv(245, 83%, 66%)
CMYK	cmyk(76.2%, 83.3%, 0%, 34.1%)
CIE-LAB	lab(24.02, 49.80, -71.05)
CIE-LCH	lch(24.02, 86.76, 305.03°)
OKLab	oklab(36.72% 0.0118 -0.2055)
OKLCH	oklch(36.72% 0.206 273.3)
XYZ	xyz(8.3559, 4.1079, 37.3907)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281CA8 #9CA81C

analogous

#1C56A8 #281CA8 #6E1CA8

triadic

#281CA8 #A8281C #1CA828

tetradic

#281CA8 #A81C56 #9CA81C #1CA86E

square

#281CA8 #A81C56 #9CA81C #1CA86E

split-complementary

#281CA8 #A86E1C #56A81C

monochromatic

#0F0B3F #1C1374 #281CA8 #3626DB #675BE4

Accessibility & contrast

On white

11.53

#281CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#281CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281CA8

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281CA8	#FFFFFF	#000000	##FFFFFF
##281CA8	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FAC

Deuteranopia (green-blind)

#0032A6

Tritanopia (blue-blind)

#004964

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #281ca8;
/* rgb */ color: rgb(40, 28, 168);
/* oklch */ color: oklch(36.7% 0.206 273.3);

Tailwind

colors: {
  custom: {
    50: '#795dc3',
    500: '#281ca8',
    950: '#000000',
  },
}

SCSS

$custom: #281ca8;
$custom-light: #795dc3;
$custom-dark: #000000;

JSON

{
  "hex": "#281ca8",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 168
  },
  "hsl": {
    "h": 245.143,
    "s": 71.429,
    "l": 38.431
  },
  "oklch": {
    "l": 0.36716,
    "c": 0.20583,
    "h": 273.3
  },
  "luminance": 0.04109
}

Semantic roles & 50–950 ramp

primary

#281CA8

secondary

#BEC758

accent

#EE3ADF

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0413

muted

#7C7982

Preview Lab

Preview with #281CA8

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

Preview Lab → · Contrast checker → · Palette generator →