#291B82#291B82

#291B82 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.3% C 0.161 H 278.6°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#291B82
RGB	rgb(41, 27, 130)
HSL	hsl(248, 66%, 31%)
HSV	hsv(248, 79%, 51%)
CMYK	cmyk(68.5%, 79.2%, 0%, 49%)
CIE-LAB	lab(19.50, 38.41, -55.05)
CIE-LCH	lch(19.50, 67.13, 304.91°)
OKLab	oklab(32.3% 0.0239 -0.159)
OKLCH	oklch(32.3% 0.161 278.6)
XYZ	xyz(5.3344, 2.8665, 21.3870)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B82 #74821B

analogous

#1B4082 #291B82 #5C1B82

triadic

#291B82 #82291B #1B8229

tetradic

#291B82 #821B40 #74821B #1B825C

square

#291B82 #821B40 #74821B #1B825C

split-complementary

#291B82 #825C1B #40821B

monochromatic

#09061D #19104F #291B82 #3926B5 #5540D7

Accessibility & contrast

On white

13.35

#291B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#291B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B82

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B82	#FFFFFF	#000000	##FFFFFF
##291B82	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003385

Deuteranopia (green-blind)

#002B80

Tritanopia (blue-blind)

#00394E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #291b82;
/* rgb */ color: rgb(41, 27, 130);
/* oklch */ color: oklch(32.3% 0.161 278.6);

Tailwind

colors: {
  custom: {
    50: '#715aa7',
    500: '#291b82',
    950: '#000000',
  },
}

SCSS

$custom: #291b82;
$custom-light: #715aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#291b82",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 130
  },
  "hsl": {
    "h": 248.155,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.32297,
    "c": 0.16079,
    "h": 278.6
  },
  "luminance": 0.02867
}

Semantic roles & 50–950 ramp

primary

#291B82

secondary

#A6B643

accent

#E93FD2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #291B82

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

Preview Lab → · Contrast checker → · Palette generator →