#281E66#281E66

#281E66 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.7% C 0.120 H 282.6°. Best body text is #FFFFFF at 14.31:1 contrast (WCAG AA passes).

Color values

HEX	#281E66
RGB	rgb(40, 30, 102)
HSL	hsl(248, 55%, 26%)
HSV	hsv(248, 71%, 40%)
CMYK	cmyk(60.8%, 70.6%, 0%, 60%)
CIE-LAB	lab(17.17, 27.03, -40.84)
CIE-LCH	lch(17.17, 48.97, 303.50°)
OKLab	oklab(29.75% 0.0262 -0.1175)
OKLCH	oklch(29.75% 0.12 282.6)
XYZ	xyz(3.7369, 2.3387, 12.8223)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E66 #5C661E

analogous

#1E3866 #281E66 #4C1E66

triadic

#281E66 #66281E #1E6628

tetradic

#281E66 #661E38 #5C661E #1E664C

square

#281E66 #661E38 #5C661E #1E664C

split-complementary

#281E66 #664C1E #38661E

monochromatic

#090718 #151037 #281E66 #3B2C95 #4D3AC5

Accessibility & contrast

On white

14.31

#281E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#281E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E66

14.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E66	#FFFFFF	#000000	##FFFFFF
##281E66	1.00	14.31	1.47	14.31
#FFFFFF	14.31	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D68

Deuteranopia (green-blind)

#002865

Tritanopia (blue-blind)

#06303F

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #281e66;
/* rgb */ color: rgb(40, 30, 102);
/* oklch */ color: oklch(29.7% 0.120 282.6);

Tailwind

colors: {
  custom: {
    50: '#6a5a92',
    500: '#281e66',
    950: '#000000',
  },
}

SCSS

$custom: #281e66;
$custom-light: #6a5a92;
$custom-dark: #000000;

JSON

{
  "hex": "#281e66",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 102
  },
  "hsl": {
    "h": 248.333,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.29748,
    "c": 0.12036,
    "h": 282.6
  },
  "luminance": 0.02339
}

Semantic roles & 50–950 ramp

primary

#281E66

secondary

#8F9B45

accent

#DE4AC9

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#07040D

muted

#7A797E

Preview Lab

Preview with #281E66

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

Preview Lab → · Contrast checker → · Palette generator →