#291A8B#291A8B

#291A8B is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.2% C 0.173 H 277.3°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#291A8B
RGB	rgb(41, 26, 139)
HSL	hsl(248, 68%, 32%)
HSV	hsv(248, 81%, 55%)
CMYK	cmyk(70.5%, 81.3%, 0%, 45.5%)
CIE-LAB	lab(20.34, 41.82, -59.33)
CIE-LCH	lch(20.34, 72.59, 305.18°)
OKLab	oklab(33.18% 0.022 -0.1714)
OKLCH	oklch(33.18% 0.173 277.3)
XYZ	xyz(5.9425, 3.0738, 24.7012)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291A8B #7C8B1A

analogous

#1A438B #291A8B #621A8B

triadic

#291A8B #8B291A #1A8B29

tetradic

#291A8B #8B1A43 #7C8B1A #1A8B62

square

#291A8B #8B1A43 #7C8B1A #1A8B62

split-complementary

#291A8B #8B621A #438B1A

monochromatic

#0B0724 #1A1057 #291A8B #3824BF #5843DC

Accessibility & contrast

On white

13.00

#291A8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#291A8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291A8B

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291A8B	#FFFFFF	#000000	##FFFFFF
##291A8B	1.00	13.00	1.61	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368E

Deuteranopia (green-blind)

#002C89

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #291a8b;
/* rgb */ color: rgb(41, 26, 139);
/* oklch */ color: oklch(33.2% 0.173 277.3);

Tailwind

colors: {
  custom: {
    50: '#735aae',
    500: '#291a8b',
    950: '#000000',
  },
}

SCSS

$custom: #291a8b;
$custom-light: #735aae;
$custom-dark: #000000;

JSON

{
  "hex": "#291a8b",
  "rgb": {
    "r": 41,
    "g": 26,
    "b": 139
  },
  "hsl": {
    "h": 247.965,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33182,
    "c": 0.17283,
    "h": 277.3
  },
  "luminance": 0.03074
}

Semantic roles & 50–950 ramp

primary

#291A8B

secondary

#ADBD44

accent

#EB3CD4

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #291A8B

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

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