#291B73#291B73

#291B73 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.142 H 281.3°. Best body text is #FFFFFF at 14.01:1 contrast (WCAG AA passes).

Color values

HEX	#291B73
RGB	rgb(41, 27, 115)
HSL	hsl(250, 62%, 28%)
HSV	hsv(250, 77%, 45%)
CMYK	cmyk(64.3%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(17.89, 33.47, -48.13)
CIE-LCH	lch(17.89, 58.62, 304.82°)
OKLab	oklab(30.68% 0.0278 -0.1388)
OKLCH	oklch(30.68% 0.142 281.3)
XYZ	xyz(4.3999, 2.4928, 16.4656)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B73 #65731B

analogous

#1B3973 #291B73 #551B73

triadic

#291B73 #73291B #1B7329

tetradic

#291B73 #731B39 #65731B #1B7355

square

#291B73 #731B39 #65731B #1B7355

split-complementary

#291B73 #73551B #39731B

monochromatic

#090619 #170F41 #291B73 #3B27A5 #5038D0

Accessibility & contrast

On white

14.01

#291B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#291B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B73

14.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B73	#FFFFFF	#000000	##FFFFFF
##291B73	1.00	14.01	1.50	14.01
#FFFFFF	14.01	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F76

Deuteranopia (green-blind)

#002971

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #291b73;
/* rgb */ color: rgb(41, 27, 115);
/* oklch */ color: oklch(30.7% 0.142 281.3);

Tailwind

colors: {
  custom: {
    50: '#6d599c',
    500: '#291b73',
    950: '#000000',
  },
}

SCSS

$custom: #291b73;
$custom-light: #6d599c;
$custom-dark: #000000;

JSON

{
  "hex": "#291b73",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 249.545,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30675,
    "c": 0.14155,
    "h": 281.3
  },
  "luminance": 0.02493
}

Semantic roles & 50–950 ramp

primary

#291B73

secondary

#97A842

accent

#E543CB

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #291B73

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

Preview Lab → · Contrast checker → · Palette generator →