#291C80#291C80

#291C80 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.2% C 0.157 H 278.7°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#291C80
RGB	rgb(41, 28, 128)
HSL	hsl(248, 64%, 31%)
HSV	hsv(248, 78%, 50%)
CMYK	cmyk(68%, 78.1%, 0%, 49.8%)
CIE-LAB	lab(19.47, 37.21, -53.83)
CIE-LCH	lch(19.47, 65.44, 304.65°)
OKLab	oklab(32.21% 0.0239 -0.1554)
OKLCH	oklch(32.21% 0.157 278.7)
XYZ	xyz(5.2247, 2.8600, 20.6946)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291C80 #73801C

analogous

#1C4180 #291C80 #5B1C80

triadic

#291C80 #80291C #1C8029

tetradic

#291C80 #801C41 #73801C #1C805B

square

#291C80 #801C41 #73801C #1C805B

split-complementary

#291C80 #805B1C #41801C

monochromatic

#09061C #19114E #291C80 #3927B2 #5441D5

Accessibility & contrast

On white

13.36

#291C80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#291C80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291C80

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291C80	#FFFFFF	#000000	##FFFFFF
##291C80	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003383

Deuteranopia (green-blind)

#002B7E

Tritanopia (blue-blind)

#00394D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #291c80;
/* rgb */ color: rgb(41, 28, 128);
/* oklch */ color: oklch(32.2% 0.157 278.7);

Tailwind

colors: {
  custom: {
    50: '#705aa6',
    500: '#291c80',
    950: '#000000',
  },
}

SCSS

$custom: #291c80;
$custom-light: #705aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#291c80",
  "rgb": {
    "r": 41,
    "g": 28,
    "b": 128
  },
  "hsl": {
    "h": 247.8,
    "s": 64.103,
    "l": 30.588
  },
  "oklch": {
    "l": 0.32213,
    "c": 0.15726,
    "h": 278.7
  },
  "luminance": 0.0286
}

Semantic roles & 50–950 ramp

primary

#291C80

secondary

#A5B344

accent

#E741D1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #291C80

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

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