#281784#281784

#281784 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.167 H 278.3°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#281784
RGB	rgb(40, 23, 132)
HSL	hsl(249, 70%, 30%)
HSV	hsv(249, 83%, 52%)
CMYK	cmyk(69.7%, 82.6%, 0%, 48.2%)
CIE-LAB	lab(18.93, 41.02, -57.27)
CIE-LCH	lch(18.93, 70.44, 305.61°)
OKLab	oklab(31.94% 0.024 -0.1654)
OKLCH	oklch(31.94% 0.167 278.3)
XYZ	xyz(5.3450, 2.7294, 22.0705)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281784 #738417

analogous

#173C84 #281784 #5E1784

triadic

#281784 #842817 #178428

tetradic

#281784 #84173C #738417 #17845E

square

#281784 #84173C #738417 #17845E

split-complementary

#281784 #845E17 #3C8417

monochromatic

#08051C #180E50 #281784 #3820B8 #5239DC

Accessibility & contrast

On white

13.58

#281784 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#281784 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281784

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281784	#FFFFFF	#000000	##FFFFFF
##281784	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003287

Deuteranopia (green-blind)

#002982

Tritanopia (blue-blind)

#00394E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #281784;
/* rgb */ color: rgb(40, 23, 132);
/* oklch */ color: oklch(31.9% 0.167 278.3);

Tailwind

colors: {
  custom: {
    50: '#7158a9',
    500: '#281784',
    950: '#000000',
  },
}

SCSS

$custom: #281784;
$custom-light: #7158a9;
$custom-dark: #000000;

JSON

{
  "hex": "#281784",
  "rgb": {
    "r": 40,
    "g": 23,
    "b": 132
  },
  "hsl": {
    "h": 249.358,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.31942,
    "c": 0.16716,
    "h": 278.3
  },
  "luminance": 0.0273
}

Semantic roles & 50–950 ramp

primary

#281784

secondary

#A5B83F

accent

#ED3BD1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #281784

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

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