#281C65#281C65

#281C65 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.3% C 0.122 H 283.4°. Best body text is #FFFFFF at 14.54:1 contrast (WCAG AA passes).

Color values

HEX	#281C65
RGB	rgb(40, 28, 101)
HSL	hsl(250, 57%, 25%)
HSV	hsv(250, 72%, 40%)
CMYK	cmyk(60.4%, 72.3%, 0%, 60.4%)
CIE-LAB	lab(16.61, 27.97, -41.10)
CIE-LCH	lch(16.61, 49.72, 304.23°)
OKLab	oklab(29.31% 0.0283 -0.1183)
OKLCH	oklch(29.31% 0.122 283.4)
XYZ	xyz(3.6386, 2.2210, 12.5464)
Luminance	0.0222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C65 #59651C

analogous

#1C3465 #281C65 #4C1C65

triadic

#281C65 #65281C #1C6528

tetradic

#281C65 #651C34 #59651C #1C654C

square

#281C65 #651C34 #59651C #1C654C

split-complementary

#281C65 #654C1C #34651C

monochromatic

#090718 #150F35 #281C65 #3B2995 #4E37C5

Accessibility & contrast

On white

14.54

#281C65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#281C65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C65

14.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C65	#FFFFFF	#000000	##FFFFFF
##281C65	1.00	14.54	1.44	14.54
#FFFFFF	14.54	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B67

Deuteranopia (green-blind)

#002764

Tritanopia (blue-blind)

#082F3E

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #281c65;
/* rgb */ color: rgb(40, 28, 101);
/* oklch */ color: oklch(29.3% 0.122 283.4);

Tailwind

colors: {
  custom: {
    50: '#6a5992',
    500: '#281c65',
    950: '#000000',
  },
}

SCSS

$custom: #281c65;
$custom-light: #6a5992;
$custom-dark: #000000;

JSON

{
  "hex": "#281c65",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 101
  },
  "hsl": {
    "h": 249.863,
    "s": 56.589,
    "l": 25.294
  },
  "oklch": {
    "l": 0.29311,
    "c": 0.1216,
    "h": 283.4
  },
  "luminance": 0.02221
}

Semantic roles & 50–950 ramp

primary

#281C65

secondary

#8C9A43

accent

#E048C7

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#07030D

muted

#7A787E

Preview Lab

Preview with #281C65

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

Preview Lab → · Contrast checker → · Palette generator →