#291D91#291D91

#291D91 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.2% C 0.177 H 276.1°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#291D91
RGB	rgb(41, 29, 145)
HSL	hsl(246, 67%, 34%)
HSV	hsv(246, 80%, 57%)
CMYK	cmyk(71.7%, 80%, 0%, 43.1%)
CIE-LAB	lab(21.56, 42.20, -61.05)
CIE-LCH	lch(21.56, 74.21, 304.65°)
OKLab	oklab(34.23% 0.0189 -0.1765)
OKLCH	oklch(34.23% 0.177 276.1)
XYZ	xyz(6.4630, 3.3939, 27.0971)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291D91 #85911D

analogous

#1D4B91 #291D91 #631D91

triadic

#291D91 #91291D #1D9129

tetradic

#291D91 #911D4B #85911D #1D9163

square

#291D91 #911D4B #85911D #1D9163

split-complementary

#291D91 #91631D #4B911D

monochromatic

#0C092B #1B135E #291D91 #3727C4 #5C4DDB

Accessibility & contrast

On white

12.51

#291D91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#291D91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291D91

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291D91	#FFFFFF	#000000	##FFFFFF
##291D91	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003994

Deuteranopia (green-blind)

#002F8F

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #291d91;
/* rgb */ color: rgb(41, 29, 145);
/* oklch */ color: oklch(34.2% 0.177 276.1);

Tailwind

colors: {
  custom: {
    50: '#745cb2',
    500: '#291d91',
    950: '#000000',
  },
}

SCSS

$custom: #291d91;
$custom-light: #745cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#291d91",
  "rgb": {
    "r": 41,
    "g": 29,
    "b": 145
  },
  "hsl": {
    "h": 246.207,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34234,
    "c": 0.17748,
    "h": 276.1
  },
  "luminance": 0.03394
}

Semantic roles & 50–950 ramp

primary

#291D91

secondary

#B2BE4C

accent

#EA3ED8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #291D91

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

Preview Lab → · Contrast checker → · Palette generator →