#281698#281698

#281698 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.2% C 0.192 H 275.4°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#281698
RGB	rgb(40, 22, 152)
HSL	hsl(248, 75%, 34%)
HSV	hsv(248, 86%, 60%)
CMYK	cmyk(73.7%, 85.5%, 0%, 40.4%)
CIE-LAB	lab(21.17, 47.61, -66.01)
CIE-LCH	lch(21.17, 81.39, 305.80°)
OKLab	oklab(34.19% 0.0182 -0.1908)
OKLCH	oklch(34.19% 0.192 275.4)
XYZ	xyz(6.8276, 3.2913, 29.9751)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281698 #869816

analogous

#164598 #281698 #691698

triadic

#281698 #982816 #169828

tetradic

#281698 #981645 #869816 #169869

square

#281698 #981645 #869816 #169869

split-complementary

#281698 #986916 #459816

monochromatic

#0C072D #1A0E63 #281698 #361ECD #5B44E4

Accessibility & contrast

On white

12.66

#281698 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#281698 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281698

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281698	#FFFFFF	#000000	##FFFFFF
##281698	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00389B

Deuteranopia (green-blind)

#002D96

Tritanopia (blue-blind)

#00415A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #281698;
/* rgb */ color: rgb(40, 22, 152);
/* oklch */ color: oklch(34.2% 0.192 275.4);

Tailwind

colors: {
  custom: {
    50: '#7659b8',
    500: '#281698',
    950: '#000000',
  },
}

SCSS

$custom: #281698;
$custom-light: #7659b8;
$custom-dark: #000000;

JSON

{
  "hex": "#281698",
  "rgb": {
    "r": 40,
    "g": 22,
    "b": 152
  },
  "hsl": {
    "h": 248.308,
    "s": 74.713,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34191,
    "c": 0.19166,
    "h": 275.4
  },
  "luminance": 0.03292
}

Semantic roles & 50–950 ramp

primary

#281698

secondary

#B3C545

accent

#F136D7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #281698

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

Preview Lab → · Contrast checker → · Palette generator →