#291C81#291C81

#291C81 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.3% C 0.159 H 278.6°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#291C81
RGB	rgb(41, 28, 129)
HSL	hsl(248, 64%, 31%)
HSV	hsv(248, 78%, 51%)
CMYK	cmyk(68.2%, 78.3%, 0%, 49.4%)
CIE-LAB	lab(19.58, 37.54, -54.28)
CIE-LCH	lch(19.58, 66.00, 304.66°)
OKLab	oklab(32.32% 0.0236 -0.1568)
OKLCH	oklch(32.32% 0.159 278.6)
XYZ	xyz(5.2909, 2.8865, 21.0429)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291C81 #74811C

analogous

#1C4181 #291C81 #5B1C81

triadic

#291C81 #81291C #1C8129

tetradic

#291C81 #811C41 #74811C #1C815B

square

#291C81 #811C41 #74811C #1C815B

split-complementary

#291C81 #815B1C #41811C

monochromatic

#09061C #19114F #291C81 #3927B3 #5542D6

Accessibility & contrast

On white

13.31

#291C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#291C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291C81

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291C81	#FFFFFF	#000000	##FFFFFF
##291C81	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003384

Deuteranopia (green-blind)

#002B7F

Tritanopia (blue-blind)

#00394D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #291c81;
/* rgb */ color: rgb(41, 28, 129);
/* oklch */ color: oklch(32.3% 0.159 278.6);

Tailwind

colors: {
  custom: {
    50: '#705ba7',
    500: '#291c81',
    950: '#000000',
  },
}

SCSS

$custom: #291c81;
$custom-light: #705ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#291c81",
  "rgb": {
    "r": 41,
    "g": 28,
    "b": 129
  },
  "hsl": {
    "h": 247.723,
    "s": 64.331,
    "l": 30.784
  },
  "oklch": {
    "l": 0.32322,
    "c": 0.15854,
    "h": 278.6
  },
  "luminance": 0.02887
}

Semantic roles & 50–950 ramp

primary

#291C81

secondary

#A6B444

accent

#E740D2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #291C81

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

Preview Lab → · Contrast checker → · Palette generator →