#291FB3#291FB3

#291FB3 is a dark, highly saturated blue. Relative luminance 0.047; OKLCH L 38.4% C 0.216 H 272.5°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#291FB3
RGB	rgb(41, 31, 179)
HSL	hsl(244, 70%, 41%)
HSV	hsv(244, 83%, 70%)
CMYK	cmyk(77.1%, 82.7%, 0%, 29.8%)
CIE-LAB	lab(25.88, 51.85, -74.58)
CIE-LCH	lch(25.88, 90.83, 304.81°)
OKLab	oklab(38.39% 0.0094 -0.2158)
OKLCH	oklch(38.39% 0.216 272.5)
XYZ	xyz(9.5384, 4.7050, 43.0445)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291FB3 #A9B31F

analogous

#1F5FB3 #291FB3 #731FB3

triadic

#291FB3 #B3291F #1FB329

tetradic

#291FB3 #B31F5F #A9B31F #1FB373

square

#291FB3 #B31F5F #A9B31F #1FB373

split-complementary

#291FB3 #B3731F #5FB31F

monochromatic

#110D4B #1D167F #291FB3 #3F33DC #7068E5

Accessibility & contrast

On white

10.82

#291FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#291FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291FB3

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291FB3	#FFFFFF	#000000	##FFFFFF
##291FB3	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B7

Deuteranopia (green-blind)

#0036B1

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #291fb3;
/* rgb */ color: rgb(41, 31, 179);
/* oklch */ color: oklch(38.4% 0.216 272.5);

Tailwind

colors: {
  custom: {
    50: '#7c60cb',
    500: '#291fb3',
    950: '#000000',
  },
}

SCSS

$custom: #291fb3;
$custom-light: #7c60cb;
$custom-dark: #000000;

JSON

{
  "hex": "#291fb3",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 179
  },
  "hsl": {
    "h": 244.054,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.38393,
    "c": 0.21597,
    "h": 272.5
  },
  "luminance": 0.04706
}

Semantic roles & 50–950 ramp

primary

#291FB3

secondary

#C3CA64

accent

#ED3BE1

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0B0514

muted

#7C7982

Preview Lab

Preview with #291FB3

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

Preview Lab → · Contrast checker → · Palette generator →