#291FA0#291FA0

#291FA0 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.2% C 0.194 H 274.2°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#291FA0
RGB	rgb(41, 31, 160)
HSL	hsl(245, 68%, 37%)
HSV	hsv(245, 81%, 63%)
CMYK	cmyk(74.4%, 80.6%, 0%, 37.3%)
CIE-LAB	lab(23.63, 45.96, -66.83)
CIE-LCH	lch(23.63, 81.11, 304.51°)
OKLab	oklab(36.19% 0.0142 -0.1933)
OKLCH	oklch(36.19% 0.194 274.2)
XYZ	xyz(7.7475, 3.9887, 33.6125)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291FA0 #96A01F

analogous

#1F56A0 #291FA0 #691FA0

triadic

#291FA0 #A0291F #1FA029

tetradic

#291FA0 #A01F56 #96A01F #1FA069

square

#291FA0 #A01F56 #96A01F #1FA069

split-complementary

#291FA0 #A0691F #56A01F

monochromatic

#0F0B39 #1C156D #291FA0 #3629D3 #655ADF

Accessibility & contrast

On white

11.68

#291FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#291FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291FA0

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291FA0	#FFFFFF	#000000	##FFFFFF
##291FA0	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA4

Deuteranopia (green-blind)

#00329E

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #291fa0;
/* rgb */ color: rgb(41, 31, 160);
/* oklch */ color: oklch(36.2% 0.194 274.2);

Tailwind

colors: {
  custom: {
    50: '#775ebd',
    500: '#291fa0',
    950: '#000000',
  },
}

SCSS

$custom: #291fa0;
$custom-light: #775ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#291fa0",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 160
  },
  "hsl": {
    "h": 244.651,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.36187,
    "c": 0.19383,
    "h": 274.2
  },
  "luminance": 0.03989
}

Semantic roles & 50–950 ramp

primary

#291FA0

secondary

#BBC358

accent

#EA3DDD

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #291FA0

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

Preview Lab → · Contrast checker → · Palette generator →