#281D6D#281D6D

#281D6D is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.3% C 0.131 H 281.4°. Best body text is #FFFFFF at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#281D6D
RGB	rgb(40, 29, 109)
HSL	hsl(248, 58%, 27%)
HSV	hsv(248, 73%, 43%)
CMYK	cmyk(63.3%, 73.4%, 0%, 57.3%)
CIE-LAB	lab(17.62, 30.09, -44.69)
CIE-LCH	lch(17.62, 53.87, 303.95°)
OKLab	oklab(30.27% 0.0259 -0.1288)
OKLCH	oklch(30.27% 0.131 281.4)
XYZ	xyz(4.0739, 2.4337, 14.7201)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281D6D #626D1D

analogous

#1D3A6D #281D6D #501D6D

triadic

#281D6D #6D281D #1D6D28

tetradic

#281D6D #6D1D3A #626D1D #1D6D50

square

#281D6D #6D1D3A #626D1D #1D6D50

split-complementary

#281D6D #6D501D #3A6D1D

monochromatic

#090618 #16103D #281D6D #3A2A9D #4E3ACB

Accessibility & contrast

On white

14.12

#281D6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#281D6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281D6D

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281D6D	#FFFFFF	#000000	##FFFFFF
##281D6D	1.00	14.12	1.49	14.12
#FFFFFF	14.12	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6F

Deuteranopia (green-blind)

#00286B

Tritanopia (blue-blind)

#003242

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #281d6d;
/* rgb */ color: rgb(40, 29, 109);
/* oklch */ color: oklch(30.3% 0.131 281.4);

Tailwind

colors: {
  custom: {
    50: '#6b5a98',
    500: '#281d6d',
    950: '#000000',
  },
}

SCSS

$custom: #281d6d;
$custom-light: #6b5a98;
$custom-dark: #000000;

JSON

{
  "hex": "#281d6d",
  "rgb": {
    "r": 40,
    "g": 29,
    "b": 109
  },
  "hsl": {
    "h": 248.25,
    "s": 57.971,
    "l": 27.059
  },
  "oklch": {
    "l": 0.30274,
    "c": 0.13136,
    "h": 281.4
  },
  "luminance": 0.02434
}

Semantic roles & 50–950 ramp

primary

#281D6D

secondary

#95A244

accent

#E147CC

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #281D6D

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

Preview Lab → · Contrast checker → · Palette generator →