#291F99#291F99

#291F99 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.4% C 0.185 H 274.9°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#291F99
RGB	rgb(41, 31, 153)
HSL	hsl(245, 66%, 36%)
HSV	hsv(245, 80%, 60%)
CMYK	cmyk(73.2%, 79.7%, 0%, 40%)
CIE-LAB	lab(22.83, 43.73, -63.88)
CIE-LCH	lch(22.83, 77.41, 304.39°)
OKLab	oklab(35.39% 0.0159 -0.1847)
OKLCH	oklch(35.39% 0.185 274.9)
XYZ	xyz(7.1523, 3.7506, 30.4778)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F99 #8F991F

analogous

#1F5299 #291F99 #661F99

triadic

#291F99 #99291F #1F9929

tetradic

#291F99 #991F52 #8F991F #1F9966

square

#291F99 #991F52 #8F991F #1F9966

split-complementary

#291F99 #99661F #52991F

monochromatic

#0E0A33 #1B1566 #291F99 #3729CC #6156DD

Accessibility & contrast

On white

12.00

#291F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#291F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F99

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F99	#FFFFFF	#000000	##FFFFFF
##291F99	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9C

Deuteranopia (green-blind)

#003197

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #291f99;
/* rgb */ color: rgb(41, 31, 153);
/* oklch */ color: oklch(35.4% 0.185 274.9);

Tailwind

colors: {
  custom: {
    50: '#765eb8',
    500: '#291f99',
    950: '#000000',
  },
}

SCSS

$custom: #291f99;
$custom-light: #765eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#291f99",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 153
  },
  "hsl": {
    "h": 244.918,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35391,
    "c": 0.18543,
    "h": 274.9
  },
  "luminance": 0.03751
}

Semantic roles & 50–950 ramp

primary

#291F99

secondary

#B7C054

accent

#E93FDB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #291F99

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

Preview Lab → · Contrast checker → · Palette generator →