#291C8C#291C8C

#291C8C is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.5% C 0.172 H 276.9°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#291C8C
RGB	rgb(41, 28, 140)
HSL	hsl(247, 67%, 33%)
HSV	hsv(247, 80%, 55%)
CMYK	cmyk(70.7%, 80%, 0%, 45.1%)
CIE-LAB	lab(20.81, 41.11, -59.17)
CIE-LCH	lch(20.81, 72.06, 304.79°)
OKLab	oklab(33.54% 0.0207 -0.171)
OKLCH	oklch(33.54% 0.172 276.9)
XYZ	xyz(6.0618, 3.1948, 25.1031)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291C8C #7F8C1C

analogous

#1C478C #291C8C #611C8C

triadic

#291C8C #8C291C #1C8C29

tetradic

#291C8C #8C1C47 #7F8C1C #1C8C61

square

#291C8C #8C1C47 #7F8C1C #1C8C61

split-complementary

#291C8C #8C611C #478C1C

monochromatic

#0B0826 #1A1259 #291C8C #3826BF #5948DA

Accessibility & contrast

On white

12.81

#291C8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#291C8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291C8C

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291C8C	#FFFFFF	#000000	##FFFFFF
##291C8C	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378F

Deuteranopia (green-blind)

#002D8A

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #291c8c;
/* rgb */ color: rgb(41, 28, 140);
/* oklch */ color: oklch(33.5% 0.172 276.9);

Tailwind

colors: {
  custom: {
    50: '#735baf',
    500: '#291c8c',
    950: '#000000',
  },
}

SCSS

$custom: #291c8c;
$custom-light: #735baf;
$custom-dark: #000000;

JSON

{
  "hex": "#291c8c",
  "rgb": {
    "r": 41,
    "g": 28,
    "b": 140
  },
  "hsl": {
    "h": 246.964,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33544,
    "c": 0.17226,
    "h": 276.9
  },
  "luminance": 0.03195
}

Semantic roles & 50–950 ramp

primary

#291C8C

secondary

#AFBC48

accent

#EA3ED6

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #291C8C

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

Preview Lab → · Contrast checker → · Palette generator →