#291D80#291D80

#291D80 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.156 H 278.5°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#291D80
RGB	rgb(41, 29, 128)
HSL	hsl(247, 63%, 31%)
HSV	hsv(247, 77%, 50%)
CMYK	cmyk(68%, 77.3%, 0%, 49.8%)
CIE-LAB	lab(19.67, 36.64, -53.50)
CIE-LCH	lch(19.67, 64.85, 304.41°)
OKLab	oklab(32.35% 0.0232 -0.1545)
OKLCH	oklch(32.35% 0.156 278.5)
XYZ	xyz(5.2488, 2.9082, 20.7026)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291D80 #74801D

analogous

#1D4280 #291D80 #5A1D80

triadic

#291D80 #80291D #1D8029

tetradic

#291D80 #801D42 #74801D #1D805A

square

#291D80 #801D42 #74801D #1D805A

split-complementary

#291D80 #805A1D #42801D

monochromatic

#09061C #19124E #291D80 #3928B2 #5543D4

Accessibility & contrast

On white

13.28

#291D80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#291D80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291D80

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291D80	#FFFFFF	#000000	##FFFFFF
##291D80	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003383

Deuteranopia (green-blind)

#002C7E

Tritanopia (blue-blind)

#00394D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #291d80;
/* rgb */ color: rgb(41, 29, 128);
/* oklch */ color: oklch(32.4% 0.156 278.5);

Tailwind

colors: {
  custom: {
    50: '#705ba6',
    500: '#291d80',
    950: '#000000',
  },
}

SCSS

$custom: #291d80;
$custom-light: #705ba6;
$custom-dark: #000000;

JSON

{
  "hex": "#291d80",
  "rgb": {
    "r": 41,
    "g": 29,
    "b": 128
  },
  "hsl": {
    "h": 247.273,
    "s": 63.057,
    "l": 30.784
  },
  "oklch": {
    "l": 0.32353,
    "c": 0.15624,
    "h": 278.5
  },
  "luminance": 0.02909
}

Semantic roles & 50–950 ramp

primary

#291D80

secondary

#A6B345

accent

#E642D2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #291D80

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

Preview Lab → · Contrast checker → · Palette generator →