#281D96#281D96

#281D96 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.7% C 0.184 H 275.1°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#281D96
RGB	rgb(40, 29, 150)
HSL	hsl(245, 68%, 35%)
HSV	hsv(245, 81%, 59%)
CMYK	cmyk(73.3%, 80.7%, 0%, 41.2%)
CIE-LAB	lab(22.06, 43.71, -63.32)
CIE-LCH	lch(22.06, 76.94, 304.62°)
OKLab	oklab(34.73% 0.0162 -0.1831)
OKLCH	oklch(34.73% 0.184 275.1)
XYZ	xyz(6.8176, 3.5312, 29.1705)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281D96 #8B961D

analogous

#1D4E96 #281D96 #651D96

triadic

#281D96 #96281D #1D9628

tetradic

#281D96 #961D4E #8B961D #1D9665

square

#281D96 #961D4E #8B961D #1D9665

split-complementary

#281D96 #96651D #4E961D

monochromatic

#0D092F #1A1363 #281D96 #3627C9 #5D50DD

Accessibility & contrast

On white

12.31

#281D96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#281D96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281D96

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281D96	#FFFFFF	#000000	##FFFFFF
##281D96	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A99

Deuteranopia (green-blind)

#002F94

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #281d96;
/* rgb */ color: rgb(40, 29, 150);
/* oklch */ color: oklch(34.7% 0.184 275.1);

Tailwind

colors: {
  custom: {
    50: '#755cb6',
    500: '#281d96',
    950: '#000000',
  },
}

SCSS

$custom: #281d96;
$custom-light: #755cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#281d96",
  "rgb": {
    "r": 40,
    "g": 29,
    "b": 150
  },
  "hsl": {
    "h": 245.455,
    "s": 67.598,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34732,
    "c": 0.18381,
    "h": 275.1
  },
  "luminance": 0.03532
}

Semantic roles & 50–950 ramp

primary

#281D96

secondary

#B6C04F

accent

#EA3DDB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281D96

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

Preview Lab → · Contrast checker → · Palette generator →