#291F9F#291F9F

#291F9F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.1% C 0.193 H 274.3°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#291F9F
RGB	rgb(41, 31, 159)
HSL	hsl(245, 67%, 37%)
HSV	hsv(245, 81%, 62%)
CMYK	cmyk(74.2%, 80.5%, 0%, 37.6%)
CIE-LAB	lab(23.52, 45.64, -66.42)
CIE-LCH	lch(23.52, 80.59, 304.50°)
OKLab	oklab(36.07% 0.0144 -0.1921)
OKLCH	oklch(36.07% 0.193 274.3)
XYZ	xyz(7.6604, 3.9538, 33.1536)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F9F #959F1F

analogous

#1F559F #291F9F #691F9F

triadic

#291F9F #9F291F #1F9F29

tetradic

#291F9F #9F1F55 #959F1F #1F9F69

square

#291F9F #9F1F55 #959F1F #1F9F69

split-complementary

#291F9F #9F691F #559F1F

monochromatic

#0F0B39 #1C156C #291F9F #3629D2 #645ADF

Accessibility & contrast

On white

11.73

#291F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#291F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F9F

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F9F	#FFFFFF	#000000	##FFFFFF
##291F9F	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA3

Deuteranopia (green-blind)

#00329D

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #291f9f;
/* rgb */ color: rgb(41, 31, 159);
/* oklch */ color: oklch(36.1% 0.193 274.3);

Tailwind

colors: {
  custom: {
    50: '#775ebd',
    500: '#291f9f',
    950: '#000000',
  },
}

SCSS

$custom: #291f9f;
$custom-light: #775ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#291f9f",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 159
  },
  "hsl": {
    "h": 244.688,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.36073,
    "c": 0.19264,
    "h": 274.3
  },
  "luminance": 0.03955
}

Semantic roles & 50–950 ramp

primary

#291F9F

secondary

#BAC357

accent

#EA3EDD

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #291F9F

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

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