#281983#281983

#281983 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.1% C 0.164 H 278.2°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#281983
RGB	rgb(40, 25, 131)
HSL	hsl(248, 68%, 31%)
HSV	hsv(248, 81%, 51%)
CMYK	cmyk(69.5%, 80.9%, 0%, 48.6%)
CIE-LAB	lab(19.16, 39.69, -56.25)
CIE-LCH	lch(19.16, 68.84, 305.21°)
OKLab	oklab(32.07% 0.0233 -0.1625)
OKLCH	oklch(32.07% 0.164 278.2)
XYZ	xyz(5.3181, 2.7846, 21.7256)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281983 #748319

analogous

#193F83 #281983 #5D1983

triadic

#281983 #832819 #198328

tetradic

#281983 #83193F #748319 #19835D

square

#281983 #83193F #748319 #19835D

split-complementary

#281983 #835D19 #3F8319

monochromatic

#09051C #180F50 #281983 #3823B6 #533DDA

Accessibility & contrast

On white

13.49

#281983 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#281983 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281983

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281983	#FFFFFF	#000000	##FFFFFF
##281983	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003386

Deuteranopia (green-blind)

#002A81

Tritanopia (blue-blind)

#00394E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #281983;
/* rgb */ color: rgb(40, 25, 131);
/* oklch */ color: oklch(32.1% 0.164 278.2);

Tailwind

colors: {
  custom: {
    50: '#7159a8',
    500: '#281983',
    950: '#000000',
  },
}

SCSS

$custom: #281983;
$custom-light: #7159a8;
$custom-dark: #000000;

JSON

{
  "hex": "#281983",
  "rgb": {
    "r": 40,
    "g": 25,
    "b": 131
  },
  "hsl": {
    "h": 248.491,
    "s": 67.949,
    "l": 30.588
  },
  "oklch": {
    "l": 0.3207,
    "c": 0.16415,
    "h": 278.2
  },
  "luminance": 0.02785
}

Semantic roles & 50–950 ramp

primary

#281983

secondary

#A6B741

accent

#EB3DD2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281983

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

Preview Lab → · Contrast checker → · Palette generator →