#291A78#291A78

#291A78 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.149 H 280.5°. Best body text is #FFFFFF at 13.88:1 contrast (WCAG AA passes).

Color values

HEX	#291A78
RGB	rgb(41, 26, 120)
HSL	hsl(250, 64%, 29%)
HSV	hsv(250, 78%, 47%)
CMYK	cmyk(65.8%, 78.3%, 0%, 52.9%)
CIE-LAB	lab(18.21, 35.69, -50.81)
CIE-LCH	lch(18.21, 62.09, 305.09°)
OKLab	oklab(31.07% 0.0272 -0.1466)
OKLCH	oklch(31.07% 0.149 280.5)
XYZ	xyz(4.6729, 2.5659, 18.0147)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291A78 #69781A

analogous

#1A3A78 #291A78 #581A78

triadic

#291A78 #78291A #1A7829

tetradic

#291A78 #781A3A #69781A #1A7858

square

#291A78 #781A3A #69781A #1A7858

split-complementary

#291A78 #78581A #3A781A

monochromatic

#090519 #180F46 #291A78 #3A25AA #5138D4

Accessibility & contrast

On white

13.88

#291A78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#291A78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291A78

13.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291A78	#FFFFFF	#000000	##FFFFFF
##291A78	1.00	13.88	1.51	13.88
#FFFFFF	13.88	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307B

Deuteranopia (green-blind)

#002976

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #291a78;
/* rgb */ color: rgb(41, 26, 120);
/* oklch */ color: oklch(31.1% 0.149 280.5);

Tailwind

colors: {
  custom: {
    50: '#6e59a0',
    500: '#291a78',
    950: '#000000',
  },
}

SCSS

$custom: #291a78;
$custom-light: #6e59a0;
$custom-dark: #000000;

JSON

{
  "hex": "#291a78",
  "rgb": {
    "r": 41,
    "g": 26,
    "b": 120
  },
  "hsl": {
    "h": 249.574,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.31067,
    "c": 0.14912,
    "h": 280.5
  },
  "luminance": 0.02566
}

Semantic roles & 50–950 ramp

primary

#291A78

secondary

#9BAC41

accent

#E740CD

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08030F

muted

#7B787F

Preview Lab

Preview with #291A78

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

Preview Lab → · Contrast checker → · Palette generator →