#291C91#291C91

#291C91 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.1% C 0.178 H 276.2°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#291C91
RGB	rgb(41, 28, 145)
HSL	hsl(247, 68%, 34%)
HSV	hsv(247, 81%, 57%)
CMYK	cmyk(71.7%, 80.7%, 0%, 43.1%)
CIE-LAB	lab(21.38, 42.71, -61.34)
CIE-LCH	lch(21.38, 74.75, 304.85°)
OKLab	oklab(34.11% 0.0194 -0.1773)
OKLCH	oklch(34.11% 0.178 276.2)
XYZ	xyz(6.4389, 3.3457, 27.0890)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291C91 #84911C

analogous

#1C4A91 #291C91 #641C91

triadic

#291C91 #91291C #1C9129

tetradic

#291C91 #911C4A #84911C #1C9164

square

#291C91 #911C4A #84911C #1C9164

split-complementary

#291C91 #91641C #4A911C

monochromatic

#0C082A #1A125E #291C91 #3826C4 #5B4BDC

Accessibility & contrast

On white

12.58

#291C91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#291C91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291C91

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291C91	#FFFFFF	#000000	##FFFFFF
##291C91	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003894

Deuteranopia (green-blind)

#002E8F

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #291c91;
/* rgb */ color: rgb(41, 28, 145);
/* oklch */ color: oklch(34.1% 0.178 276.2);

Tailwind

colors: {
  custom: {
    50: '#745cb2',
    500: '#291c91',
    950: '#000000',
  },
}

SCSS

$custom: #291c91;
$custom-light: #745cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#291c91",
  "rgb": {
    "r": 41,
    "g": 28,
    "b": 145
  },
  "hsl": {
    "h": 246.667,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34109,
    "c": 0.17837,
    "h": 276.2
  },
  "luminance": 0.03346
}

Semantic roles & 50–950 ramp

primary

#291C91

secondary

#B2BE4A

accent

#EB3DD7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #291C91

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

Preview Lab → · Contrast checker → · Palette generator →