#281F82#281F82

#281F82 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.8% C 0.157 H 277.3°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#281F82
RGB	rgb(40, 31, 130)
HSL	hsl(245, 61%, 32%)
HSV	hsv(245, 76%, 51%)
CMYK	cmyk(69.2%, 76.2%, 0%, 49%)
CIE-LAB	lab(20.21, 36.04, -53.88)
CIE-LCH	lch(20.21, 64.82, 303.78°)
OKLab	oklab(32.78% 0.02 -0.1556)
OKLCH	oklch(32.78% 0.157 277.3)
XYZ	xyz(5.3930, 3.0423, 21.4178)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281F82 #79821F

analogous

#1F4882 #281F82 #5A1F82

triadic

#281F82 #82281F #1F8228

tetradic

#281F82 #821F48 #79821F #1F825A

square

#281F82 #821F48 #79821F #1F825A

split-complementary

#281F82 #825A1F #48821F

monochromatic

#0A071F #191351 #281F82 #372BB3 #5548D3

Accessibility & contrast

On white

13.05

#281F82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#281F82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281F82

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281F82	#FFFFFF	#000000	##FFFFFF
##281F82	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003585

Deuteranopia (green-blind)

#002D80

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #281f82;
/* rgb */ color: rgb(40, 31, 130);
/* oklch */ color: oklch(32.8% 0.157 277.3);

Tailwind

colors: {
  custom: {
    50: '#705ca7',
    500: '#281f82',
    950: '#000000',
  },
}

SCSS

$custom: #281f82;
$custom-light: #705ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#281f82",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 130
  },
  "hsl": {
    "h": 245.455,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32778,
    "c": 0.15694,
    "h": 277.3
  },
  "luminance": 0.03043
}

Semantic roles & 50–950 ramp

primary

#281F82

secondary

#ABB548

accent

#E543D6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #281F82

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

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