#291788#291788

#291788 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.5% C 0.172 H 278.1°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#291788
RGB	rgb(41, 23, 136)
HSL	hsl(250, 71%, 31%)
HSV	hsv(250, 83%, 53%)
CMYK	cmyk(69.9%, 83.1%, 0%, 46.7%)
CIE-LAB	lab(19.48, 42.36, -58.87)
CIE-LCH	lch(19.48, 72.52, 305.74°)
OKLab	oklab(32.48% 0.0243 -0.17)
OKLCH	oklch(32.48% 0.172 278.1)
XYZ	xyz(5.6633, 2.8613, 23.5416)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291788 #768817

analogous

#173D88 #291788 #611788

triadic

#291788 #882917 #178829

tetradic

#291788 #88173D #768817 #178861

square

#291788 #88173D #768817 #178861

split-complementary

#291788 #886117 #3D8817

monochromatic

#09051F #190E54 #291788 #3920BC #553BDE

Accessibility & contrast

On white

13.36

#291788 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#291788 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291788

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291788	#FFFFFF	#000000	##FFFFFF
##291788	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)

#00338B

Deuteranopia (green-blind)

#002A86

Tritanopia (blue-blind)

#003A50

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #291788;
/* rgb */ color: rgb(41, 23, 136);
/* oklch */ color: oklch(32.5% 0.172 278.1);

Tailwind

colors: {
  custom: {
    50: '#7258ac',
    500: '#291788',
    950: '#000000',
  },
}

SCSS

$custom: #291788;
$custom-light: #7258ac;
$custom-dark: #000000;

JSON

{
  "hex": "#291788",
  "rgb": {
    "r": 41,
    "g": 23,
    "b": 136
  },
  "hsl": {
    "h": 249.558,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32484,
    "c": 0.17177,
    "h": 278.1
  },
  "luminance": 0.02862
}

Semantic roles & 50–950 ramp

primary

#291788

secondary

#A8BC3F

accent

#EE3AD1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #291788

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

Preview Lab → · Contrast checker → · Palette generator →