#291C8E#291C8E

#291C8E is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.8% C 0.175 H 276.6°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#291C8E
RGB	rgb(41, 28, 142)
HSL	hsl(247, 67%, 33%)
HSV	hsv(247, 80%, 56%)
CMYK	cmyk(71.1%, 80.3%, 0%, 44.3%)
CIE-LAB	lab(21.03, 41.76, -60.05)
CIE-LCH	lch(21.03, 73.14, 304.81°)
OKLab	oklab(33.77% 0.0202 -0.1735)
OKLCH	oklch(33.77% 0.175 276.6)
XYZ	xyz(6.2106, 3.2543, 25.8868)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291C8E #818E1C

analogous

#1C488E #291C8E #621C8E

triadic

#291C8E #8E291C #1C8E29

tetradic

#291C8E #8E1C48 #818E1C #1C8E62

square

#291C8E #8E1C48 #818E1C #1C8E62

split-complementary

#291C8E #8E621C #488E1C

monochromatic

#0B0828 #1A125B #291C8E #3826C1 #5A49DB

Accessibility & contrast

On white

12.72

#291C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#291C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291C8E

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291C8E	#FFFFFF	#000000	##FFFFFF
##291C8E	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003791

Deuteranopia (green-blind)

#002E8C

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #291c8e;
/* rgb */ color: rgb(41, 28, 142);
/* oklch */ color: oklch(33.8% 0.175 276.6);

Tailwind

colors: {
  custom: {
    50: '#735bb0',
    500: '#291c8e',
    950: '#000000',
  },
}

SCSS

$custom: #291c8e;
$custom-light: #735bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#291c8e",
  "rgb": {
    "r": 41,
    "g": 28,
    "b": 142
  },
  "hsl": {
    "h": 246.842,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33769,
    "c": 0.17472,
    "h": 276.6
  },
  "luminance": 0.03255
}

Semantic roles & 50–950 ramp

primary

#291C8E

secondary

#B0BD49

accent

#EA3ED6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #291C8E

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

Preview Lab → · Contrast checker → · Palette generator →