#281D84#281D84

#281D84 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.7% C 0.162 H 277.4°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#281D84
RGB	rgb(40, 29, 132)
HSL	hsl(246, 64%, 32%)
HSV	hsv(246, 78%, 52%)
CMYK	cmyk(69.7%, 78%, 0%, 48.2%)
CIE-LAB	lab(20.03, 37.85, -55.45)
CIE-LCH	lch(20.03, 67.14, 304.32°)
OKLab	oklab(32.71% 0.0208 -0.1602)
OKLCH	oklch(32.71% 0.162 277.4)
XYZ	xyz(5.4779, 2.9953, 22.1148)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281D84 #79841D

analogous

#1D4684 #281D84 #5C1D84

triadic

#281D84 #84281D #1D8428

tetradic

#281D84 #841D46 #79841D #1D845C

square

#281D84 #841D46 #79841D #1D845C

split-complementary

#281D84 #845C1D #46841D

monochromatic

#0A0720 #191252 #281D84 #3728B6 #5545D6

Accessibility & contrast

On white

13.13

#281D84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#281D84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281D84

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281D84	#FFFFFF	#000000	##FFFFFF
##281D84	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003587

Deuteranopia (green-blind)

#002C82

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #281d84;
/* rgb */ color: rgb(40, 29, 132);
/* oklch */ color: oklch(32.7% 0.162 277.4);

Tailwind

colors: {
  custom: {
    50: '#705ba9',
    500: '#281d84',
    950: '#000000',
  },
}

SCSS

$custom: #281d84;
$custom-light: #705ba9;
$custom-dark: #000000;

JSON

{
  "hex": "#281d84",
  "rgb": {
    "r": 40,
    "g": 29,
    "b": 132
  },
  "hsl": {
    "h": 246.408,
    "s": 63.975,
    "l": 31.569
  },
  "oklch": {
    "l": 0.3271,
    "c": 0.16155,
    "h": 277.4
  },
  "luminance": 0.02996
}

Semantic roles & 50–950 ramp

primary

#281D84

secondary

#ABB746

accent

#E741D5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281D84

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

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