#291F9D#291F9D

#291F9D is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.8% C 0.190 H 274.5°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#291F9D
RGB	rgb(41, 31, 157)
HSL	hsl(245, 67%, 37%)
HSV	hsv(245, 80%, 62%)
CMYK	cmyk(73.9%, 80.3%, 0%, 38.4%)
CIE-LAB	lab(23.29, 45.00, -65.58)
CIE-LCH	lch(23.29, 79.53, 304.46°)
OKLab	oklab(35.85% 0.0149 -0.1897)
OKLCH	oklch(35.85% 0.19 274.5)
XYZ	xyz(7.4882, 3.8850, 32.2470)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F9D #939D1F

analogous

#1F549D #291F9D #681F9D

triadic

#291F9D #9D291F #1F9D29

tetradic

#291F9D #9D1F54 #939D1F #1F9D68

square

#291F9D #9D1F54 #939D1F #1F9D68

split-complementary

#291F9D #9D681F #549D1F

monochromatic

#0E0B37 #1C156A #291F9D #3629D0 #6358DE

Accessibility & contrast

On white

11.82

#291F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#291F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F9D

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F9D	#FFFFFF	#000000	##FFFFFF
##291F9D	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA0

Deuteranopia (green-blind)

#00329B

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #291f9d;
/* rgb */ color: rgb(41, 31, 157);
/* oklch */ color: oklch(35.8% 0.190 274.5);

Tailwind

colors: {
  custom: {
    50: '#775ebb',
    500: '#291f9d',
    950: '#000000',
  },
}

SCSS

$custom: #291f9d;
$custom-light: #775ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#291f9d",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 157
  },
  "hsl": {
    "h": 244.762,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35845,
    "c": 0.19025,
    "h": 274.5
  },
  "luminance": 0.03886
}

Semantic roles & 50–950 ramp

primary

#291F9D

secondary

#B9C256

accent

#EA3EDC

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #291F9D

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

Preview Lab → · Contrast checker → · Palette generator →