#291DA1#291DA1

#291DA1 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 36.1% C 0.197 H 274.3°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#291DA1
RGB	rgb(41, 29, 161)
HSL	hsl(245, 69%, 37%)
HSV	hsv(245, 82%, 63%)
CMYK	cmyk(74.5%, 82%, 0%, 36.9%)
CIE-LAB	lab(23.41, 47.25, -67.81)
CIE-LCH	lch(23.41, 82.65, 304.87°)
OKLab	oklab(36.07% 0.0147 -0.1961)
OKLCH	oklch(36.07% 0.197 274.3)
XYZ	xyz(7.7847, 3.9226, 34.0582)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291DA1 #95A11D

analogous

#1D53A1 #291DA1 #6B1DA1

triadic

#291DA1 #A1291D #1DA129

tetradic

#291DA1 #A11D53 #95A11D #1DA16B

square

#291DA1 #A11D53 #95A11D #1DA16B

split-complementary

#291DA1 #A16B1D #53A11D

monochromatic

#0F0A39 #1C146D #291DA1 #3626D5 #6458E1

Accessibility & contrast

On white

11.77

#291DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#291DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291DA1

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291DA1	#FFFFFF	#000000	##FFFFFF
##291DA1	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA5

Deuteranopia (green-blind)

#00329F

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #291da1;
/* rgb */ color: rgb(41, 29, 161);
/* oklch */ color: oklch(36.1% 0.197 274.3);

Tailwind

colors: {
  custom: {
    50: '#785dbe',
    500: '#291da1',
    950: '#000000',
  },
}

SCSS

$custom: #291da1;
$custom-light: #785dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#291da1",
  "rgb": {
    "r": 41,
    "g": 29,
    "b": 161
  },
  "hsl": {
    "h": 245.455,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.36069,
    "c": 0.19666,
    "h": 274.3
  },
  "luminance": 0.03923
}

Semantic roles & 50–950 ramp

primary

#291DA1

secondary

#BAC455

accent

#EC3CDC

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #291DA1

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

Preview Lab → · Contrast checker → · Palette generator →