#291F9C#291F9C

#291F9C is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.7% C 0.189 H 274.6°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#291F9C
RGB	rgb(41, 31, 156)
HSL	hsl(245, 67%, 37%)
HSV	hsv(245, 80%, 61%)
CMYK	cmyk(73.7%, 80.1%, 0%, 38.8%)
CIE-LAB	lab(23.17, 44.68, -65.15)
CIE-LCH	lch(23.17, 79.01, 304.44°)
OKLab	oklab(35.73% 0.0152 -0.1884)
OKLCH	oklch(35.73% 0.189 274.6)
XYZ	xyz(7.4032, 3.8510, 31.7992)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F9C #929C1F

analogous

#1F549C #291F9C #681F9C

triadic

#291F9C #9C291F #1F9C29

tetradic

#291F9C #9C1F54 #929C1F #1F9C68

square

#291F9C #9C1F54 #929C1F #1F9C68

split-complementary

#291F9C #9C681F #549C1F

monochromatic

#0E0B36 #1C1569 #291F9C #3629CF #6258DE

Accessibility & contrast

On white

11.86

#291F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#291F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F9C

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F9C	#FFFFFF	#000000	##FFFFFF
##291F9C	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9F

Deuteranopia (green-blind)

#00319A

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #291f9c;
/* rgb */ color: rgb(41, 31, 156);
/* oklch */ color: oklch(35.7% 0.189 274.6);

Tailwind

colors: {
  custom: {
    50: '#765ebb',
    500: '#291f9c',
    950: '#000000',
  },
}

SCSS

$custom: #291f9c;
$custom-light: #765ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#291f9c",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 156
  },
  "hsl": {
    "h": 244.8,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35731,
    "c": 0.18904,
    "h": 274.6
  },
  "luminance": 0.03852
}

Semantic roles & 50–950 ramp

primary

#291F9C

secondary

#B9C155

accent

#EA3EDC

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #291F9C

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

Preview Lab → · Contrast checker → · Palette generator →