#291FAD#291FAD

#291FAD is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 37.7% C 0.209 H 273.0°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#291FAD
RGB	rgb(41, 31, 173)
HSL	hsl(244, 70%, 40%)
HSV	hsv(244, 82%, 68%)
CMYK	cmyk(76.3%, 82.1%, 0%, 32.2%)
CIE-LAB	lab(25.16, 50.01, -72.17)
CIE-LCH	lch(25.16, 87.81, 304.72°)
OKLab	oklab(37.69% 0.0109 -0.2088)
OKLCH	oklch(37.69% 0.209 273)
XYZ	xyz(8.9447, 4.4676, 39.9180)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291FAD #A3AD1F

analogous

#1F5CAD #291FAD #701FAD

triadic

#291FAD #AD291F #1FAD29

tetradic

#291FAD #AD1F5C #A3AD1F #1FAD70

square

#291FAD #AD1F5C #A3AD1F #1FAD70

split-complementary

#291FAD #AD701F #5CAD1F

monochromatic

#100C45 #1D1679 #291FAD #3B2FDA #6C63E3

Accessibility & contrast

On white

11.09

#291FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#291FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291FAD

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291FAD	#FFFFFF	#000000	##FFFFFF
##291FAD	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B1

Deuteranopia (green-blind)

#0035AB

Tritanopia (blue-blind)

#004C67

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #291fad;
/* rgb */ color: rgb(41, 31, 173);
/* oklch */ color: oklch(37.7% 0.209 273.0);

Tailwind

colors: {
  custom: {
    50: '#7a5fc7',
    500: '#291fad',
    950: '#000000',
  },
}

SCSS

$custom: #291fad;
$custom-light: #7a5fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#291fad",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 173
  },
  "hsl": {
    "h": 244.225,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.37691,
    "c": 0.20908,
    "h": 273
  },
  "luminance": 0.04469
}

Semantic roles & 50–950 ramp

primary

#291FAD

secondary

#C1C860

accent

#EC3BE0

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #291FAD

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

Preview Lab → · Contrast checker → · Palette generator →