#291F8C#291F8C

#291F8C is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.9% C 0.169 H 276.5°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#291F8C
RGB	rgb(41, 31, 140)
HSL	hsl(246, 64%, 34%)
HSV	hsv(246, 78%, 55%)
CMYK	cmyk(70.7%, 77.9%, 0%, 45.1%)
CIE-LAB	lab(21.37, 39.49, -58.24)
CIE-LCH	lch(21.37, 70.37, 304.14°)
OKLab	oklab(33.94% 0.0191 -0.1683)
OKLCH	oklch(33.94% 0.169 276.5)
XYZ	xyz(6.1365, 3.3443, 25.1280)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F8C #828C1F

analogous

#1F4B8C #291F8C #5F1F8C

triadic

#291F8C #8C291F #1F8C29

tetradic

#291F8C #8C1F4B #828C1F #1F8C5F

square

#291F8C #8C1F4B #828C1F #1F8C5F

split-complementary

#291F8C #8C5F1F #4B8C1F

monochromatic

#0C0928 #1A145A #291F8C #382ABE #5A4ED8

Accessibility & contrast

On white

12.58

#291F8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#291F8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F8C

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F8C	#FFFFFF	#000000	##FFFFFF
##291F8C	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388F

Deuteranopia (green-blind)

#002E8A

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #291f8c;
/* rgb */ color: rgb(41, 31, 140);
/* oklch */ color: oklch(33.9% 0.169 276.5);

Tailwind

colors: {
  custom: {
    50: '#725daf',
    500: '#291f8c',
    950: '#000000',
  },
}

SCSS

$custom: #291f8c;
$custom-light: #725daf;
$custom-dark: #000000;

JSON

{
  "hex": "#291f8c",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 140
  },
  "hsl": {
    "h": 245.505,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3394,
    "c": 0.16941,
    "h": 276.5
  },
  "luminance": 0.03345
}

Semantic roles & 50–950 ramp

primary

#291F8C

secondary

#B0BB4C

accent

#E741D8

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #291F8C

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

Preview Lab → · Contrast checker → · Palette generator →