#291FBD#291FBD

#291FBD is a dark, highly saturated blue. Relative luminance 0.051; OKLCH L 39.6% C 0.227 H 271.7°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#291FBD
RGB	rgb(41, 31, 189)
HSL	hsl(244, 72%, 43%)
HSV	hsv(244, 84%, 74%)
CMYK	cmyk(78.3%, 83.6%, 0%, 25.9%)
CIE-LAB	lab(27.09, 54.86, -78.52)
CIE-LCH	lch(27.09, 95.79, 304.94°)
OKLab	oklab(39.57% 0.0069 -0.2272)
OKLCH	oklch(39.57% 0.227 271.7)
XYZ	xyz(10.5867, 5.1243, 48.5654)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291FBD #B3BD1F

analogous

#1F64BD #291FBD #781FBD

triadic

#291FBD #BD291F #1FBD29

tetradic

#291FBD #BD1F64 #B3BD1F #1FBD78

square

#291FBD #BD1F64 #B3BD1F #1FBD78

split-complementary

#291FBD #BD781F #64BD1F

monochromatic

#120E54 #1E1688 #291FBD #453ADF #776FE7

Accessibility & contrast

On white

10.37

#291FBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#291FBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291FBD

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291FBD	#FFFFFF	#000000	##FFFFFF
##291FBD	1.00	10.37	2.03	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047C1

Deuteranopia (green-blind)

#0038BA

Tritanopia (blue-blind)

#005371

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #291fbd;
/* rgb */ color: rgb(41, 31, 189);
/* oklch */ color: oklch(39.6% 0.227 271.7);

Tailwind

colors: {
  custom: {
    50: '#7e60d2',
    500: '#291fbd',
    950: '#000000',
  },
}

SCSS

$custom: #291fbd;
$custom-light: #7e60d2;
$custom-dark: #000000;

JSON

{
  "hex": "#291fbd",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 189
  },
  "hsl": {
    "h": 243.797,
    "s": 71.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.39574,
    "c": 0.22728,
    "h": 271.7
  },
  "luminance": 0.05126
}

Semantic roles & 50–950 ramp

primary

#291FBD

secondary

#C7CE6A

accent

#EF39E3

background

#F8F5FD

surface

#F0EAFA

border

#CBC6D3

text

#0C0514

muted

#7D7983

Preview Lab

Preview with #291FBD

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

Preview Lab → · Contrast checker → · Palette generator →