#291B93#291B93

#291B93 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.2% C 0.182 H 276.1°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#291B93
RGB	rgb(41, 27, 147)
HSL	hsl(247, 69%, 34%)
HSV	hsv(247, 82%, 58%)
CMYK	cmyk(72.1%, 81.6%, 0%, 42.4%)
CIE-LAB	lab(21.44, 43.85, -62.49)
CIE-LCH	lch(21.44, 76.34, 305.06°)
OKLab	oklab(34.22% 0.0193 -0.1806)
OKLCH	oklch(34.22% 0.182 276.1)
XYZ	xyz(6.5711, 3.3612, 27.9006)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B93 #85931B

analogous

#1B4993 #291B93 #651B93

triadic

#291B93 #93291B #1B9329

tetradic

#291B93 #931B49 #85931B #1B9365

square

#291B93 #931B49 #85931B #1B9365

split-complementary

#291B93 #93651B #49931B

monochromatic

#0C082C #1B125F #291B93 #3724C7 #5C4BDE

Accessibility & contrast

On white

12.56

#291B93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#291B93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B93

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B93	#FFFFFF	#000000	##FFFFFF
##291B93	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003896

Deuteranopia (green-blind)

#002E91

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #291b93;
/* rgb */ color: rgb(41, 27, 147);
/* oklch */ color: oklch(34.2% 0.182 276.1);

Tailwind

colors: {
  custom: {
    50: '#745bb4',
    500: '#291b93',
    950: '#000000',
  },
}

SCSS

$custom: #291b93;
$custom-light: #745bb4;
$custom-dark: #000000;

JSON

{
  "hex": "#291b93",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 147
  },
  "hsl": {
    "h": 247,
    "s": 68.966,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34218,
    "c": 0.18165,
    "h": 276.1
  },
  "luminance": 0.03362
}

Semantic roles & 50–950 ramp

primary

#291B93

secondary

#B2C04A

accent

#EC3CD7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #291B93

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

Preview Lab → · Contrast checker → · Palette generator →