#291C79#291C79

#291C79 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.148 H 279.9°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#291C79
RGB	rgb(41, 28, 121)
HSL	hsl(248, 62%, 29%)
HSV	hsv(248, 77%, 47%)
CMYK	cmyk(66.1%, 76.9%, 0%, 52.5%)
CIE-LAB	lab(18.72, 34.89, -50.61)
CIE-LCH	lch(18.72, 61.47, 304.58°)
OKLab	oklab(31.46% 0.0256 -0.1461)
OKLCH	oklch(31.46% 0.148 279.9)
XYZ	xyz(4.7798, 2.6820, 18.3513)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291C79 #6C791C

analogous

#1C3E79 #291C79 #581C79

triadic

#291C79 #79291C #1C7929

tetradic

#291C79 #791C3E #6C791C #1C7958

square

#291C79 #791C3E #6C791C #1C7958

split-complementary

#291C79 #79581C #3E791C

monochromatic

#080619 #181047 #291C79 #3A28AB #523DD2

Accessibility & contrast

On white

13.67

#291C79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#291C79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291C79

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291C79	#FFFFFF	#000000	##FFFFFF
##291C79	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317C

Deuteranopia (green-blind)

#002A77

Tritanopia (blue-blind)

#003649

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #291c79;
/* rgb */ color: rgb(41, 28, 121);
/* oklch */ color: oklch(31.5% 0.148 279.9);

Tailwind

colors: {
  custom: {
    50: '#6e5aa1',
    500: '#291c79',
    950: '#000000',
  },
}

SCSS

$custom: #291c79;
$custom-light: #6e5aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#291c79",
  "rgb": {
    "r": 41,
    "g": 28,
    "b": 121
  },
  "hsl": {
    "h": 248.387,
    "s": 62.416,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31457,
    "c": 0.14827,
    "h": 279.9
  },
  "luminance": 0.02682
}

Semantic roles & 50–950 ramp

primary

#291C79

secondary

#9EAD44

accent

#E542CF

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08040F

muted

#7B797F

Preview Lab

Preview with #291C79

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

Preview Lab → · Contrast checker → · Palette generator →