#291C8F#291C8F

#291C8F is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.9% C 0.176 H 276.5°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#291C8F
RGB	rgb(41, 28, 143)
HSL	hsl(247, 67%, 34%)
HSV	hsv(247, 80%, 56%)
CMYK	cmyk(71.3%, 80.4%, 0%, 43.9%)
CIE-LAB	lab(21.15, 42.08, -60.48)
CIE-LCH	lch(21.15, 73.68, 304.83°)
OKLab	oklab(33.88% 0.0199 -0.1748)
OKLCH	oklch(33.88% 0.176 276.5)
XYZ	xyz(6.2860, 3.2845, 26.2840)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291C8F #828F1C

analogous

#1C488F #291C8F #621C8F

triadic

#291C8F #8F291C #1C8F29

tetradic

#291C8F #8F1C48 #828F1C #1C8F62

square

#291C8F #8F1C48 #828F1C #1C8F62

split-complementary

#291C8F #8F621C #488F1C

monochromatic

#0C0829 #1A125C #291C8F #3826C2 #5A4ADC

Accessibility & contrast

On white

12.67

#291C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#291C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291C8F

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291C8F	#FFFFFF	#000000	##FFFFFF
##291C8F	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)

#003892

Deuteranopia (green-blind)

#002E8D

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #291c8f;
/* rgb */ color: rgb(41, 28, 143);
/* oklch */ color: oklch(33.9% 0.176 276.5);

Tailwind

colors: {
  custom: {
    50: '#735bb1',
    500: '#291c8f',
    950: '#000000',
  },
}

SCSS

$custom: #291c8f;
$custom-light: #735bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#291c8f",
  "rgb": {
    "r": 41,
    "g": 28,
    "b": 143
  },
  "hsl": {
    "h": 246.783,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.33882,
    "c": 0.17594,
    "h": 276.5
  },
  "luminance": 0.03285
}

Semantic roles & 50–950 ramp

primary

#291C8F

secondary

#B0BE49

accent

#EA3ED7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #291C8F

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

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