#291F73#291F73

#291F73 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.3% C 0.137 H 280.3°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#291F73
RGB	rgb(41, 31, 115)
HSL	hsl(247, 58%, 29%)
HSV	hsv(247, 73%, 45%)
CMYK	cmyk(64.3%, 73%, 0%, 54.9%)
CIE-LAB	lab(18.75, 31.06, -46.71)
CIE-LCH	lch(18.75, 56.09, 303.62°)
OKLab	oklab(31.29% 0.0246 -0.1347)
OKLCH	oklch(31.29% 0.137 280.3)
XYZ	xyz(4.4980, 2.6889, 16.4983)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F73 #69731F

analogous

#1F3F73 #291F73 #531F73

triadic

#291F73 #73291F #1F7329

tetradic

#291F73 #731F3F #69731F #1F7353

square

#291F73 #731F3F #69731F #1F7353

split-complementary

#291F73 #73531F #3F731F

monochromatic

#090618 #181243 #291F73 #3A2CA3 #5141CC

Accessibility & contrast

On white

13.66

#291F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#291F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F73

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F73	#FFFFFF	#000000	##FFFFFF
##291F73	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003176

Deuteranopia (green-blind)

#002A71

Tritanopia (blue-blind)

#003646

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #291f73;
/* rgb */ color: rgb(41, 31, 115);
/* oklch */ color: oklch(31.3% 0.137 280.3);

Tailwind

colors: {
  custom: {
    50: '#6d5c9c',
    500: '#291f73',
    950: '#000000',
  },
}

SCSS

$custom: #291f73;
$custom-light: #6d5c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#291f73",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 115
  },
  "hsl": {
    "h": 247.143,
    "s": 57.534,
    "l": 28.627
  },
  "oklch": {
    "l": 0.31292,
    "c": 0.13689,
    "h": 280.3
  },
  "luminance": 0.02689
}

Semantic roles & 50–950 ramp

primary

#291F73

secondary

#9BA747

accent

#E147CE

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08040E

muted

#7A797E

Preview Lab

Preview with #291F73

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

Preview Lab → · Contrast checker → · Palette generator →