#291F9E#291F9E

#291F9E is a dark, vivid blue. Relative luminance 0.039; OKLCH L 36.0% C 0.191 H 274.4°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#291F9E
RGB	rgb(41, 31, 158)
HSL	hsl(245, 67%, 37%)
HSV	hsv(245, 80%, 62%)
CMYK	cmyk(74.1%, 80.4%, 0%, 38%)
CIE-LAB	lab(23.40, 45.32, -66.00)
CIE-LCH	lch(23.40, 80.06, 304.48°)
OKLab	oklab(35.96% 0.0147 -0.1909)
OKLCH	oklch(35.96% 0.191 274.4)
XYZ	xyz(7.5739, 3.9193, 32.6985)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F9E #949E1F

analogous

#1F559E #291F9E #681F9E

triadic

#291F9E #9E291F #1F9E29

tetradic

#291F9E #9E1F55 #949E1F #1F9E68

square

#291F9E #9E1F55 #949E1F #1F9E68

split-complementary

#291F9E #9E681F #559E1F

monochromatic

#0E0B38 #1C156B #291F9E #3629D1 #6359DE

Accessibility & contrast

On white

11.77

#291F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#291F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F9E

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F9E	#FFFFFF	#000000	##FFFFFF
##291F9E	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA2

Deuteranopia (green-blind)

#00329C

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #291f9e;
/* rgb */ color: rgb(41, 31, 158);
/* oklch */ color: oklch(36.0% 0.191 274.4);

Tailwind

colors: {
  custom: {
    50: '#775ebc',
    500: '#291f9e',
    950: '#000000',
  },
}

SCSS

$custom: #291f9e;
$custom-light: #775ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#291f9e",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 158
  },
  "hsl": {
    "h": 244.724,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.35959,
    "c": 0.19144,
    "h": 274.4
  },
  "luminance": 0.0392
}

Semantic roles & 50–950 ramp

primary

#291F9E

secondary

#BAC256

accent

#EA3EDD

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #291F9E

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

Preview Lab → · Contrast checker → · Palette generator →