#291A8E#291A8E

#291A8E is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.5% C 0.176 H 276.9°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#291A8E
RGB	rgb(41, 26, 142)
HSL	hsl(248, 69%, 33%)
HSV	hsv(248, 82%, 56%)
CMYK	cmyk(71.1%, 81.7%, 0%, 44.3%)
CIE-LAB	lab(20.68, 42.77, -60.63)
CIE-LCH	lch(20.68, 74.20, 305.20°)
OKLab	oklab(33.53% 0.0211 -0.1752)
OKLCH	oklch(33.53% 0.176 276.9)
XYZ	xyz(6.1647, 3.1626, 25.8715)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291A8E #7F8E1A

analogous

#1A458E #291A8E #631A8E

triadic

#291A8E #8E291A #1A8E29

tetradic

#291A8E #8E1A45 #7F8E1A #1A8E63

square

#291A8E #8E1A45 #7F8E1A #1A8E63

split-complementary

#291A8E #8E631A #458E1A

monochromatic

#0B0727 #1A115A #291A8E #3823C2 #5945DD

Accessibility & contrast

On white

12.86

#291A8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#291A8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291A8E

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291A8E	#FFFFFF	#000000	##FFFFFF
##291A8E	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003691

Deuteranopia (green-blind)

#002D8C

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #291a8e;
/* rgb */ color: rgb(41, 26, 142);
/* oklch */ color: oklch(33.5% 0.176 276.9);

Tailwind

colors: {
  custom: {
    50: '#735ab0',
    500: '#291a8e',
    950: '#000000',
  },
}

SCSS

$custom: #291a8e;
$custom-light: #735ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#291a8e",
  "rgb": {
    "r": 41,
    "g": 26,
    "b": 142
  },
  "hsl": {
    "h": 247.759,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33525,
    "c": 0.17648,
    "h": 276.9
  },
  "luminance": 0.03163
}

Semantic roles & 50–950 ramp

primary

#291A8E

secondary

#AFBE45

accent

#EC3CD5

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #291A8E

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

Preview Lab → · Contrast checker → · Palette generator →