#291D73#291D73

#291D73 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.0% C 0.139 H 280.8°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#291D73
RGB	rgb(41, 29, 115)
HSL	hsl(248, 60%, 28%)
HSV	hsv(248, 75%, 45%)
CMYK	cmyk(64.3%, 74.8%, 0%, 54.9%)
CIE-LAB	lab(18.31, 32.29, -47.43)
CIE-LCH	lch(18.31, 57.38, 304.24°)
OKLab	oklab(30.98% 0.0262 -0.1368)
OKLCH	oklch(30.98% 0.139 280.8)
XYZ	xyz(4.4474, 2.5876, 16.4814)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291D73 #67731D

analogous

#1D3C73 #291D73 #541D73

triadic

#291D73 #73291D #1D7329

tetradic

#291D73 #731D3C #67731D #1D7354

square

#291D73 #731D3C #67731D #1D7354

split-complementary

#291D73 #73541D #3C731D

monochromatic

#090618 #181142 #291D73 #3A29A4 #513CCE

Accessibility & contrast

On white

13.84

#291D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#291D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291D73

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291D73	#FFFFFF	#000000	##FFFFFF
##291D73	1.00	13.84	1.52	13.84
#FFFFFF	13.84	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003076

Deuteranopia (green-blind)

#002971

Tritanopia (blue-blind)

#003546

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #291d73;
/* rgb */ color: rgb(41, 29, 115);
/* oklch */ color: oklch(31.0% 0.139 280.8);

Tailwind

colors: {
  custom: {
    50: '#6d5a9c',
    500: '#291d73',
    950: '#000000',
  },
}

SCSS

$custom: #291d73;
$custom-light: #6d5a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#291d73",
  "rgb": {
    "r": 41,
    "g": 29,
    "b": 115
  },
  "hsl": {
    "h": 248.372,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30977,
    "c": 0.13926,
    "h": 280.8
  },
  "luminance": 0.02588
}

Semantic roles & 50–950 ramp

primary

#291D73

secondary

#99A745

accent

#E345CD

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08040E

muted

#7A797E

Preview Lab

Preview with #291D73

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

Preview Lab → · Contrast checker → · Palette generator →