#281C76#281C76

#281C76 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.145 H 279.9°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#281C76
RGB	rgb(40, 28, 118)
HSL	hsl(248, 62%, 29%)
HSV	hsv(248, 76%, 46%)
CMYK	cmyk(66.1%, 76.3%, 0%, 53.7%)
CIE-LAB	lab(18.32, 33.75, -49.35)
CIE-LCH	lch(18.32, 59.79, 304.37°)
OKLab	oklab(31.05% 0.0248 -0.1424)
OKLCH	oklch(31.05% 0.145 279.9)
XYZ	xyz(4.5593, 2.5893, 17.3955)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C76 #6A761C

analogous

#1C3D76 #281C76 #551C76

triadic

#281C76 #76281C #1C7628

tetradic

#281C76 #761C3D #6A761C #1C7655

square

#281C76 #761C3D #6A761C #1C7655

split-complementary

#281C76 #76551C #3D761C

monochromatic

#080619 #171045 #281C76 #3928A7 #503CD1

Accessibility & contrast

On white

13.83

#281C76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#281C76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C76

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C76	#FFFFFF	#000000	##FFFFFF
##281C76	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003079

Deuteranopia (green-blind)

#002974

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #281c76;
/* rgb */ color: rgb(40, 28, 118);
/* oklch */ color: oklch(31.1% 0.145 279.9);

Tailwind

colors: {
  custom: {
    50: '#6d5a9e',
    500: '#281c76',
    950: '#000000',
  },
}

SCSS

$custom: #281c76;
$custom-light: #6d5a9e;
$custom-dark: #000000;

JSON

{
  "hex": "#281c76",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 118
  },
  "hsl": {
    "h": 248,
    "s": 61.644,
    "l": 28.627
  },
  "oklch": {
    "l": 0.31053,
    "c": 0.14456,
    "h": 279.9
  },
  "luminance": 0.0259
}

Semantic roles & 50–950 ramp

primary

#281C76

secondary

#9DAA44

accent

#E543CF

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #281C76

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

Preview Lab → · Contrast checker → · Palette generator →