#291F90#291F90

#291F90 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.4% C 0.174 H 276.0°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#291F90
RGB	rgb(41, 31, 144)
HSL	hsl(245, 65%, 34%)
HSV	hsv(245, 78%, 56%)
CMYK	cmyk(71.5%, 78.5%, 0%, 43.5%)
CIE-LAB	lab(21.82, 40.81, -60.00)
CIE-LCH	lch(21.82, 72.56, 304.22°)
OKLab	oklab(34.38% 0.0182 -0.1734)
OKLCH	oklch(34.38% 0.174 276)
XYZ	xyz(6.4368, 3.4644, 26.7096)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F90 #86901F

analogous

#1F4E90 #291F90 #621F90

triadic

#291F90 #90291F #1F9029

tetradic

#291F90 #901F4E #86901F #1F9062

square

#291F90 #901F4E #86901F #1F9062

split-complementary

#291F90 #90621F #4E901F

monochromatic

#0C092B #1B145E #291F90 #372AC2 #5C50D9

Accessibility & contrast

On white

12.40

#291F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#291F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F90

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F90	#FFFFFF	#000000	##FFFFFF
##291F90	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003993

Deuteranopia (green-blind)

#002F8E

Tritanopia (blue-blind)

#004157

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #291f90;
/* rgb */ color: rgb(41, 31, 144);
/* oklch */ color: oklch(34.4% 0.174 276.0);

Tailwind

colors: {
  custom: {
    50: '#735db2',
    500: '#291f90',
    950: '#000000',
  },
}

SCSS

$custom: #291f90;
$custom-light: #735db2;
$custom-dark: #000000;

JSON

{
  "hex": "#291f90",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 144
  },
  "hsl": {
    "h": 245.31,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34382,
    "c": 0.1744,
    "h": 276
  },
  "luminance": 0.03465
}

Semantic roles & 50–950 ramp

primary

#291F90

secondary

#B3BC4E

accent

#E840D9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #291F90

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

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