#291DA8#291DA8

#291DA8 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 36.9% C 0.205 H 273.6°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#291DA8
RGB	rgb(41, 29, 168)
HSL	hsl(245, 71%, 39%)
HSV	hsv(245, 83%, 66%)
CMYK	cmyk(75.6%, 82.7%, 0%, 34.1%)
CIE-LAB	lab(24.25, 49.41, -70.68)
CIE-LCH	lch(24.25, 86.24, 304.96°)
OKLab	oklab(36.89% 0.0128 -0.2044)
OKLCH	oklch(36.89% 0.205 273.6)
XYZ	xyz(8.4193, 4.1764, 37.4006)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291DA8 #9CA81D

analogous

#1D56A8 #291DA8 #6E1DA8

triadic

#291DA8 #A8291D #1DA829

tetradic

#291DA8 #A81D56 #9CA81D #1DA86E

square

#291DA8 #A81D56 #9CA81D #1DA86E

split-complementary

#291DA8 #A86E1D #56A81D

monochromatic

#100B40 #1C1474 #291DA8 #3828DA #685CE3

Accessibility & contrast

On white

11.44

#291DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#291DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291DA8

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291DA8	#FFFFFF	#000000	##FFFFFF
##291DA8	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AC

Deuteranopia (green-blind)

#0033A6

Tritanopia (blue-blind)

#004964

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #291da8;
/* rgb */ color: rgb(41, 29, 168);
/* oklch */ color: oklch(36.9% 0.205 273.6);

Tailwind

colors: {
  custom: {
    50: '#795ec3',
    500: '#291da8',
    950: '#000000',
  },
}

SCSS

$custom: #291da8;
$custom-light: #795ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#291da8",
  "rgb": {
    "r": 41,
    "g": 29,
    "b": 168
  },
  "hsl": {
    "h": 245.18,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.36886,
    "c": 0.20482,
    "h": 273.6
  },
  "luminance": 0.04177
}

Semantic roles & 50–950 ramp

primary

#291DA8

secondary

#BEC75A

accent

#ED3ADE

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #291DA8

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

Preview Lab → · Contrast checker → · Palette generator →