#291D8C#291D8C

#291D8C is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.7% C 0.171 H 276.8°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#291D8C
RGB	rgb(41, 29, 140)
HSL	hsl(246, 66%, 33%)
HSV	hsv(246, 79%, 55%)
CMYK	cmyk(70.7%, 79.3%, 0%, 45.1%)
CIE-LAB	lab(20.99, 40.58, -58.87)
CIE-LCH	lch(20.99, 71.50, 304.58°)
OKLab	oklab(33.67% 0.0202 -0.1701)
OKLCH	oklch(33.67% 0.171 276.8)
XYZ	xyz(6.0859, 3.2430, 25.1111)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291D8C #808C1D

analogous

#1D498C #291D8C #601D8C

triadic

#291D8C #8C291D #1D8C29

tetradic

#291D8C #8C1D49 #808C1D #1D8C60

square

#291D8C #8C1D49 #808C1D #1D8C60

split-complementary

#291D8C #8C601D #498C1D

monochromatic

#0B0827 #1A1259 #291D8C #3828BF #594AD9

Accessibility & contrast

On white

12.74

#291D8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#291D8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291D8C

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291D8C	#FFFFFF	#000000	##FFFFFF
##291D8C	1.00	12.74	1.65	12.74
#FFFFFF	12.74	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378F

Deuteranopia (green-blind)

#002E8A

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #291d8c;
/* rgb */ color: rgb(41, 29, 140);
/* oklch */ color: oklch(33.7% 0.171 276.8);

Tailwind

colors: {
  custom: {
    50: '#735caf',
    500: '#291d8c',
    950: '#000000',
  },
}

SCSS

$custom: #291d8c;
$custom-light: #735caf;
$custom-dark: #000000;

JSON

{
  "hex": "#291d8c",
  "rgb": {
    "r": 41,
    "g": 29,
    "b": 140
  },
  "hsl": {
    "h": 246.486,
    "s": 65.68,
    "l": 33.137
  },
  "oklch": {
    "l": 0.33673,
    "c": 0.17133,
    "h": 276.8
  },
  "luminance": 0.03244
}

Semantic roles & 50–950 ramp

primary

#291D8C

secondary

#AFBC49

accent

#E93FD6

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #291D8C

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

Preview Lab → · Contrast checker → · Palette generator →