#281E83#281E83

#281E83 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.7% C 0.159 H 277.4°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#281E83
RGB	rgb(40, 30, 131)
HSL	hsl(246, 63%, 32%)
HSV	hsv(246, 77%, 51%)
CMYK	cmyk(69.5%, 77.1%, 0%, 48.6%)
CIE-LAB	lab(20.12, 36.96, -54.67)
CIE-LCH	lch(20.12, 65.99, 304.06°)
OKLab	oklab(32.74% 0.0204 -0.1579)
OKLCH	oklch(32.74% 0.159 277.4)
XYZ	xyz(5.4347, 3.0179, 21.7644)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E83 #79831E

analogous

#1E4783 #281E83 #5B1E83

triadic

#281E83 #83281E #1E8328

tetradic

#281E83 #831E47 #79831E #1E835B

square

#281E83 #831E47 #79831E #1E835B

split-complementary

#281E83 #835B1E #47831E

monochromatic

#0A071F #191351 #281E83 #3729B5 #5547D5

Accessibility & contrast

On white

13.10

#281E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#281E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E83

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E83	#FFFFFF	#000000	##FFFFFF
##281E83	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003586

Deuteranopia (green-blind)

#002C81

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #281e83;
/* rgb */ color: rgb(40, 30, 131);
/* oklch */ color: oklch(32.7% 0.159 277.4);

Tailwind

colors: {
  custom: {
    50: '#705ca8',
    500: '#281e83',
    950: '#000000',
  },
}

SCSS

$custom: #281e83;
$custom-light: #705ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#281e83",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 131
  },
  "hsl": {
    "h": 245.941,
    "s": 62.733,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32741,
    "c": 0.15927,
    "h": 277.4
  },
  "luminance": 0.03018
}

Semantic roles & 50–950 ramp

primary

#281E83

secondary

#ABB647

accent

#E642D6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281E83

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

Preview Lab → · Contrast checker → · Palette generator →