#291D9B#291D9B

#291D9B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.4% C 0.190 H 274.9°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#291D9B
RGB	rgb(41, 29, 155)
HSL	hsl(246, 68%, 36%)
HSV	hsv(246, 81%, 61%)
CMYK	cmyk(73.5%, 81.3%, 0%, 39.2%)
CIE-LAB	lab(22.71, 45.38, -65.31)
CIE-LCH	lch(22.71, 79.53, 304.79°)
OKLab	oklab(35.38% 0.0162 -0.1888)
OKLCH	oklch(35.38% 0.19 274.9)
XYZ	xyz(7.2683, 3.7160, 31.3382)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291D9B #8F9B1D

analogous

#1D509B #291D9B #681D9B

triadic

#291D9B #9B291D #1D9B29

tetradic

#291D9B #9B1D50 #8F9B1D #1D9B68

square

#291D9B #9B1D50 #8F9B1D #1D9B68

split-complementary

#291D9B #9B681D #509B1D

monochromatic

#0E0A34 #1B1367 #291D9B #3727CF #6153DF

Accessibility & contrast

On white

12.05

#291D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#291D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291D9B

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291D9B	#FFFFFF	#000000	##FFFFFF
##291D9B	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9E

Deuteranopia (green-blind)

#003099

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #291d9b;
/* rgb */ color: rgb(41, 29, 155);
/* oklch */ color: oklch(35.4% 0.190 274.9);

Tailwind

colors: {
  custom: {
    50: '#765dba',
    500: '#291d9b',
    950: '#000000',
  },
}

SCSS

$custom: #291d9b;
$custom-light: #765dba;
$custom-dark: #000000;

JSON

{
  "hex": "#291d9b",
  "rgb": {
    "r": 41,
    "g": 29,
    "b": 155
  },
  "hsl": {
    "h": 245.714,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35375,
    "c": 0.18955,
    "h": 274.9
  },
  "luminance": 0.03717
}

Semantic roles & 50–950 ramp

primary

#291D9B

secondary

#B7C252

accent

#EB3CDB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #291D9B

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

Preview Lab → · Contrast checker → · Palette generator →