#291B9D#291B9D

#291B9D is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.4% C 0.194 H 274.9°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#291B9D
RGB	rgb(41, 27, 157)
HSL	hsl(246, 71%, 36%)
HSV	hsv(246, 83%, 62%)
CMYK	cmyk(73.9%, 82.8%, 0%, 38.4%)
CIE-LAB	lab(22.62, 46.96, -66.69)
CIE-LCH	lch(22.62, 81.57, 305.15°)
OKLab	oklab(35.38% 0.0164 -0.1928)
OKLCH	oklch(35.38% 0.194 274.9)
XYZ	xyz(7.3902, 3.6889, 32.2143)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B9D #8F9D1B

analogous

#1B4E9D #291B9D #6A1B9D

triadic

#291B9D #9D291B #1B9D29

tetradic

#291B9D #9D1B4E #8F9D1B #1B9D6A

square

#291B9D #9D1B4E #8F9D1B #1B9D6A

split-complementary

#291B9D #9D6A1B #4E9D1B

monochromatic

#0E0935 #1B1269 #291B9D #3724D1 #6151E1

Accessibility & contrast

On white

12.08

#291B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#291B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B9D

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B9D	#FFFFFF	#000000	##FFFFFF
##291B9D	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA1

Deuteranopia (green-blind)

#00309B

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #291b9d;
/* rgb */ color: rgb(41, 27, 157);
/* oklch */ color: oklch(35.4% 0.194 274.9);

Tailwind

colors: {
  custom: {
    50: '#775cbb',
    500: '#291b9d',
    950: '#000000',
  },
}

SCSS

$custom: #291b9d;
$custom-light: #775cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#291b9d",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 157
  },
  "hsl": {
    "h": 246.462,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35378,
    "c": 0.19353,
    "h": 274.9
  },
  "luminance": 0.0369
}

Semantic roles & 50–950 ramp

primary

#291B9D

secondary

#B7C450

accent

#ED3ADA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #291B9D

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

Preview Lab → · Contrast checker → · Palette generator →