#281FA6#281FA6

#281FA6 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 36.8% C 0.201 H 273.2°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#281FA6
RGB	rgb(40, 31, 166)
HSL	hsl(244, 69%, 39%)
HSV	hsv(244, 81%, 65%)
CMYK	cmyk(75.9%, 81.3%, 0%, 34.9%)
CIE-LAB	lab(24.27, 47.77, -69.43)
CIE-LCH	lch(24.27, 84.28, 304.53°)
OKLab	oklab(36.82% 0.0114 -0.2009)
OKLCH	oklch(36.82% 0.201 273.2)
XYZ	xyz(8.2457, 4.1834, 36.4419)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281FA6 #9DA61F

analogous

#1F59A6 #281FA6 #6B1FA6

triadic

#281FA6 #A6281F #1FA628

tetradic

#281FA6 #A61F59 #9DA61F #1FA66B

square

#281FA6 #A61F59 #9DA61F #1FA66B

split-complementary

#281FA6 #A66B1F #59A61F

monochromatic

#0F0C3F #1C1572 #281FA6 #362BD7 #675EE1

Accessibility & contrast

On white

11.43

#281FA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#281FA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281FA6

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281FA6	#FFFFFF	#000000	##FFFFFF
##281FA6	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AA

Deuteranopia (green-blind)

#0033A4

Tritanopia (blue-blind)

#004963

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #281fa6;
/* rgb */ color: rgb(40, 31, 166);
/* oklch */ color: oklch(36.8% 0.201 273.2);

Tailwind

colors: {
  custom: {
    50: '#785fc2',
    500: '#281fa6',
    950: '#000000',
  },
}

SCSS

$custom: #281fa6;
$custom-light: #785fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#281fa6",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 166
  },
  "hsl": {
    "h": 244,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.36815,
    "c": 0.20118,
    "h": 273.2
  },
  "luminance": 0.04184
}

Semantic roles & 50–950 ramp

primary

#281FA6

secondary

#BEC55B

accent

#EB3CE0

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #281FA6

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

Preview Lab → · Contrast checker → · Palette generator →