#291B92#291B92

#291B92 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.1% C 0.180 H 276.2°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#291B92
RGB	rgb(41, 27, 146)
HSL	hsl(247, 69%, 34%)
HSV	hsv(247, 82%, 57%)
CMYK	cmyk(71.9%, 81.5%, 0%, 42.7%)
CIE-LAB	lab(21.32, 43.53, -62.06)
CIE-LCH	lch(21.32, 75.81, 305.05°)
OKLab	oklab(34.1% 0.0195 -0.1794)
OKLCH	oklch(34.1% 0.18 276.2)
XYZ	xyz(6.4930, 3.3300, 27.4891)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B92 #84921B

analogous

#1B4992 #291B92 #651B92

triadic

#291B92 #92291B #1B9229

tetradic

#291B92 #921B49 #84921B #1B9265

square

#291B92 #921B49 #84921B #1B9265

split-complementary

#291B92 #92651B #49921B

monochromatic

#0C082B #1A115E #291B92 #3825C6 #5B4ADE

Accessibility & contrast

On white

12.60

#291B92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#291B92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B92

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B92	#FFFFFF	#000000	##FFFFFF
##291B92	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003895

Deuteranopia (green-blind)

#002E90

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #291b92;
/* rgb */ color: rgb(41, 27, 146);
/* oklch */ color: oklch(34.1% 0.180 276.2);

Tailwind

colors: {
  custom: {
    50: '#745bb3',
    500: '#291b92',
    950: '#000000',
  },
}

SCSS

$custom: #291b92;
$custom-light: #745bb3;
$custom-dark: #000000;

JSON

{
  "hex": "#291b92",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 146
  },
  "hsl": {
    "h": 247.059,
    "s": 68.786,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34103,
    "c": 0.18045,
    "h": 276.2
  },
  "luminance": 0.03331
}

Semantic roles & 50–950 ramp

primary

#291B92

secondary

#B2BF49

accent

#EC3CD7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #291B92

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

Preview Lab → · Contrast checker → · Palette generator →