#291B97#291B97

#291B97 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.7% C 0.186 H 275.6°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#291B97
RGB	rgb(41, 27, 151)
HSL	hsl(247, 70%, 35%)
HSV	hsv(247, 82%, 59%)
CMYK	cmyk(72.8%, 82.1%, 0%, 40.8%)
CIE-LAB	lab(21.90, 45.10, -64.18)
CIE-LCH	lch(21.90, 78.45, 305.10°)
OKLab	oklab(34.68% 0.0181 -0.1855)
OKLCH	oklch(34.68% 0.186 275.6)
XYZ	xyz(6.8905, 3.4890, 29.5825)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B97 #89971B

analogous

#1B4B97 #291B97 #671B97

triadic

#291B97 #97291B #1B9729

tetradic

#291B97 #971B4B #89971B #1B9767

square

#291B97 #971B4B #89971B #1B9767

split-complementary

#291B97 #97671B #4B971B

monochromatic

#0D082F #1B1263 #291B97 #3724CB #5E4DDF

Accessibility & contrast

On white

12.37

#291B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#291B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B97

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B97	#FFFFFF	#000000	##FFFFFF
##291B97	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9A

Deuteranopia (green-blind)

#002F95

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #291b97;
/* rgb */ color: rgb(41, 27, 151);
/* oklch */ color: oklch(34.7% 0.186 275.6);

Tailwind

colors: {
  custom: {
    50: '#755bb7',
    500: '#291b97',
    950: '#000000',
  },
}

SCSS

$custom: #291b97;
$custom-light: #755bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#291b97",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 151
  },
  "hsl": {
    "h": 246.774,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.34679,
    "c": 0.18643,
    "h": 275.6
  },
  "luminance": 0.0349
}

Semantic roles & 50–950 ramp

primary

#291B97

secondary

#B4C14C

accent

#EC3BD8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #291B97

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

Preview Lab → · Contrast checker → · Palette generator →