#291E78#291E78

#291E78 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.6% C 0.145 H 279.7°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#291E78
RGB	rgb(41, 30, 120)
HSL	hsl(247, 60%, 29%)
HSV	hsv(247, 75%, 47%)
CMYK	cmyk(65.8%, 75%, 0%, 52.9%)
CIE-LAB	lab(19.04, 33.38, -49.45)
CIE-LCH	lch(19.04, 59.66, 304.02°)
OKLab	oklab(31.65% 0.0244 -0.1427)
OKLCH	oklch(31.65% 0.145 279.7)
XYZ	xyz(4.7678, 2.7557, 18.0463)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291E78 #6D781E

analogous

#1E4078 #291E78 #561E78

triadic

#291E78 #78291E #1E7829

tetradic

#291E78 #781E40 #6D781E #1E7856

square

#291E78 #781E40 #6D781E #1E7856

split-complementary

#291E78 #78561E #40781E

monochromatic

#080618 #181247 #291E78 #3A2AA9 #5241CF

Accessibility & contrast

On white

13.54

#291E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#291E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291E78

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291E78	#FFFFFF	#000000	##FFFFFF
##291E78	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327B

Deuteranopia (green-blind)

#002B76

Tritanopia (blue-blind)

#003749

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #291e78;
/* rgb */ color: rgb(41, 30, 120);
/* oklch */ color: oklch(31.6% 0.145 279.7);

Tailwind

colors: {
  custom: {
    50: '#6e5ba0',
    500: '#291e78',
    950: '#000000',
  },
}

SCSS

$custom: #291e78;
$custom-light: #6e5ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#291e78",
  "rgb": {
    "r": 41,
    "g": 30,
    "b": 120
  },
  "hsl": {
    "h": 247.333,
    "s": 60,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31649,
    "c": 0.14475,
    "h": 279.7
  },
  "luminance": 0.02756
}

Semantic roles & 50–950 ramp

primary

#291E78

secondary

#9FAC46

accent

#E345D0

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040F

muted

#7B797E

Preview Lab

Preview with #291E78

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

Preview Lab → · Contrast checker → · Palette generator →