#281C6A#281C6A

#281C6A is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.8% C 0.129 H 282.3°. Best body text is #FFFFFF at 14.34:1 contrast (WCAG AA passes).

Color values

HEX	#281C6A
RGB	rgb(40, 28, 106)
HSL	hsl(249, 58%, 26%)
HSV	hsv(249, 74%, 42%)
CMYK	cmyk(62.3%, 73.6%, 0%, 58.4%)
CIE-LAB	lab(17.09, 29.68, -43.59)
CIE-LCH	lch(17.09, 52.73, 304.25°)
OKLab	oklab(29.81% 0.0274 -0.1255)
OKLCH	oklch(29.81% 0.129 282.3)
XYZ	xyz(3.8910, 2.3220, 13.8760)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C6A #5E6A1C

analogous

#1C376A #281C6A #4F1C6A

triadic

#281C6A #6A281C #1C6A28

tetradic

#281C6A #6A1C37 #5E6A1C #1C6A4F

square

#281C6A #6A1C37 #5E6A1C #1C6A4F

split-complementary

#281C6A #6A4F1C #376A1C

monochromatic

#090618 #160F3A #281C6A #3A299A #4D36CA

Accessibility & contrast

On white

14.34

#281C6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#281C6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C6A

14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C6A	#FFFFFF	#000000	##FFFFFF
##281C6A	1.00	14.34	1.46	14.34
#FFFFFF	14.34	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6C

Deuteranopia (green-blind)

#002769

Tritanopia (blue-blind)

#003140

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #281c6a;
/* rgb */ color: rgb(40, 28, 106);
/* oklch */ color: oklch(29.8% 0.129 282.3);

Tailwind

colors: {
  custom: {
    50: '#6b5995',
    500: '#281c6a',
    950: '#000000',
  },
}

SCSS

$custom: #281c6a;
$custom-light: #6b5995;
$custom-dark: #000000;

JSON

{
  "hex": "#281c6a",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 106
  },
  "hsl": {
    "h": 249.231,
    "s": 58.209,
    "l": 26.275
  },
  "oklch": {
    "l": 0.2981,
    "c": 0.1285,
    "h": 282.3
  },
  "luminance": 0.02322
}

Semantic roles & 50–950 ramp

primary

#281C6A

secondary

#919F43

accent

#E146CA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #281C6A

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

Preview Lab → · Contrast checker → · Palette generator →