#281C6D#281C6D

#281C6D is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.1% C 0.133 H 281.6°. Best body text is #FFFFFF at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#281C6D
RGB	rgb(40, 28, 109)
HSL	hsl(249, 59%, 27%)
HSV	hsv(249, 74%, 43%)
CMYK	cmyk(63.3%, 74.3%, 0%, 57.3%)
CIE-LAB	lab(17.39, 30.70, -45.05)
CIE-LCH	lch(17.39, 54.52, 304.27°)
OKLab	oklab(30.12% 0.0268 -0.1298)
OKLCH	oklch(30.12% 0.133 281.6)
XYZ	xyz(4.0498, 2.3855, 14.7121)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C6D #616D1C

analogous

#1C396D #281C6D #511C6D

triadic

#281C6D #6D281C #1C6D28

tetradic

#281C6D #6D1C39 #616D1C #1C6D51

square

#281C6D #6D1C39 #616D1C #1C6D51

split-complementary

#281C6D #6D511C #396D1C

monochromatic

#090618 #160F3C #281C6D #3A299E #4E38CC

Accessibility & contrast

On white

14.22

#281C6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#281C6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C6D

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C6D	#FFFFFF	#000000	##FFFFFF
##281C6D	1.00	14.22	1.48	14.22
#FFFFFF	14.22	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6F

Deuteranopia (green-blind)

#00286B

Tritanopia (blue-blind)

#003242

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #281c6d;
/* rgb */ color: rgb(40, 28, 109);
/* oklch */ color: oklch(30.1% 0.133 281.6);

Tailwind

colors: {
  custom: {
    50: '#6b5998',
    500: '#281c6d',
    950: '#000000',
  },
}

SCSS

$custom: #281c6d;
$custom-light: #6b5998;
$custom-dark: #000000;

JSON

{
  "hex": "#281c6d",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 109
  },
  "hsl": {
    "h": 248.889,
    "s": 59.124,
    "l": 26.863
  },
  "oklch": {
    "l": 0.30115,
    "c": 0.13258,
    "h": 281.6
  },
  "luminance": 0.02386
}

Semantic roles & 50–950 ramp

primary

#281C6D

secondary

#94A243

accent

#E245CB

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #281C6D

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

Preview Lab → · Contrast checker → · Palette generator →