#291D66#291D66

#291D66 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.7% C 0.122 H 283.6°. Best body text is #FFFFFF at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#291D66
RGB	rgb(41, 29, 102)
HSL	hsl(250, 56%, 26%)
HSV	hsv(250, 72%, 40%)
CMYK	cmyk(59.8%, 71.6%, 0%, 60%)
CIE-LAB	lab(17.03, 27.85, -41.06)
CIE-LCH	lch(17.03, 49.62, 304.15°)
OKLab	oklab(29.67% 0.0287 -0.1181)
OKLCH	oklch(29.67% 0.122 283.6)
XYZ	xyz(3.7514, 2.3092, 12.8158)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291D66 #5A661D

analogous

#1D3566 #291D66 #4D1D66

triadic

#291D66 #66291D #1D6629

tetradic

#291D66 #661D35 #5A661D #1D664D

square

#291D66 #661D35 #5A661D #1D664D

split-complementary

#291D66 #664D1D #35661D

monochromatic

#0A0718 #160F36 #291D66 #3C2B96 #4F38C5

Accessibility & contrast

On white

14.37

#291D66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#291D66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291D66

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291D66	#FFFFFF	#000000	##FFFFFF
##291D66	1.00	14.37	1.46	14.37
#FFFFFF	14.37	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C68

Deuteranopia (green-blind)

#002865

Tritanopia (blue-blind)

#0A303F

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #291d66;
/* rgb */ color: rgb(41, 29, 102);
/* oklch */ color: oklch(29.7% 0.122 283.6);

Tailwind

colors: {
  custom: {
    50: '#6a5a92',
    500: '#291d66',
    950: '#000000',
  },
}

SCSS

$custom: #291d66;
$custom-light: #6a5a92;
$custom-dark: #000000;

JSON

{
  "hex": "#291d66",
  "rgb": {
    "r": 41,
    "g": 29,
    "b": 102
  },
  "hsl": {
    "h": 249.863,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.29671,
    "c": 0.12154,
    "h": 283.6
  },
  "luminance": 0.02309
}

Semantic roles & 50–950 ramp

primary

#291D66

secondary

#8D9B44

accent

#DF49C6

background

#F6F5F9

surface

#ECE9F1

border

#C7C5CB

text

#07040D

muted

#7A797E

Preview Lab

Preview with #291D66

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

Preview Lab → · Contrast checker → · Palette generator →