#291F8A#291F8A

#291F8A is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.7% C 0.167 H 276.8°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#291F8A
RGB	rgb(41, 31, 138)
HSL	hsl(246, 63%, 33%)
HSV	hsv(246, 78%, 54%)
CMYK	cmyk(70.3%, 77.5%, 0%, 45.9%)
CIE-LAB	lab(21.15, 38.83, -57.35)
CIE-LCH	lch(21.15, 69.26, 304.10°)
OKLab	oklab(33.72% 0.0196 -0.1657)
OKLCH	oklch(33.72% 0.167 276.8)
XYZ	xyz(5.9904, 3.2858, 24.3584)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F8A #808A1F

analogous

#1F4B8A #291F8A #5E1F8A

triadic

#291F8A #8A291F #1F8A29

tetradic

#291F8A #8A1F4B #808A1F #1F8A5E

square

#291F8A #8A1F4B #808A1F #1F8A5E

split-complementary

#291F8A #8A5E1F #4B8A1F

monochromatic

#0B0926 #1A1458 #291F8A #382ABC #594CD7

Accessibility & contrast

On white

12.67

#291F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#291F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F8A

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F8A	#FFFFFF	#000000	##FFFFFF
##291F8A	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378D

Deuteranopia (green-blind)

#002E88

Tritanopia (blue-blind)

#003E53

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #291f8a;
/* rgb */ color: rgb(41, 31, 138);
/* oklch */ color: oklch(33.7% 0.167 276.8);

Tailwind

colors: {
  custom: {
    50: '#725dad',
    500: '#291f8a',
    950: '#000000',
  },
}

SCSS

$custom: #291f8a;
$custom-light: #725dad;
$custom-dark: #000000;

JSON

{
  "hex": "#291f8a",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 138
  },
  "hsl": {
    "h": 245.607,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.33721,
    "c": 0.1669,
    "h": 276.8
  },
  "luminance": 0.03286
}

Semantic roles & 50–950 ramp

primary

#291F8A

secondary

#AFBA4B

accent

#E641D7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #291F8A

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

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