#291CAB#291CAB

#291CAB is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.1% C 0.209 H 273.4°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#291CAB
RGB	rgb(41, 28, 171)
HSL	hsl(245, 72%, 39%)
HSV	hsv(245, 84%, 67%)
CMYK	cmyk(76%, 83.6%, 0%, 32.9%)
CIE-LAB	lab(24.45, 50.78, -72.14)
CIE-LCH	lch(24.45, 88.22, 305.14°)
OKLab	oklab(37.13% 0.0123 -0.2086)
OKLCH	oklch(37.13% 0.209 273.4)
XYZ	xyz(8.6779, 4.2413, 38.8815)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291CAB #9EAB1C

analogous

#1C56AB #291CAB #711CAB

triadic

#291CAB #AB291C #1CAB29

tetradic

#291CAB #AB1C56 #9EAB1C #1CAB71

square

#291CAB #AB1C56 #9EAB1C #1CAB71

split-complementary

#291CAB #AB711C #56AB1C

monochromatic

#100B42 #1C1376 #291CAB #3928DC #695DE4

Accessibility & contrast

On white

11.36

#291CAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#291CAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291CAB

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291CAB	#FFFFFF	#000000	##FFFFFF
##291CAB	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AF

Deuteranopia (green-blind)

#0033A9

Tritanopia (blue-blind)

#004A66

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #291cab;
/* rgb */ color: rgb(41, 28, 171);
/* oklch */ color: oklch(37.1% 0.209 273.4);

Tailwind

colors: {
  custom: {
    50: '#7a5dc5',
    500: '#291cab',
    950: '#000000',
  },
}

SCSS

$custom: #291cab;
$custom-light: #7a5dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#291cab",
  "rgb": {
    "r": 41,
    "g": 28,
    "b": 171
  },
  "hsl": {
    "h": 245.455,
    "s": 71.859,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37133,
    "c": 0.20901,
    "h": 273.4
  },
  "luminance": 0.04242
}

Semantic roles & 50–950 ramp

primary

#291CAB

secondary

#BFC95A

accent

#EF39DE

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #291CAB

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

Preview Lab → · Contrast checker → · Palette generator →