#291D78#291D78

#291D78 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.146 H 279.9°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#291D78
RGB	rgb(41, 29, 120)
HSL	hsl(248, 61%, 29%)
HSV	hsv(248, 76%, 47%)
CMYK	cmyk(65.8%, 75.8%, 0%, 52.9%)
CIE-LAB	lab(18.82, 33.97, -49.80)
CIE-LCH	lch(18.82, 60.28, 304.30°)
OKLab	oklab(31.5% 0.0251 -0.1437)
OKLCH	oklch(31.5% 0.146 279.9)
XYZ	xyz(4.7429, 2.7058, 18.0380)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291D78 #6C781D

analogous

#1D3F78 #291D78 #571D78

triadic

#291D78 #78291D #1D7829

tetradic

#291D78 #781D3F #6C781D #1D7857

square

#291D78 #781D3F #6C781D #1D7857

split-complementary

#291D78 #78571D #3F781D

monochromatic

#080619 #181147 #291D78 #3A29A9 #523FD1

Accessibility & contrast

On white

13.63

#291D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#291D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291D78

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291D78	#FFFFFF	#000000	##FFFFFF
##291D78	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317B

Deuteranopia (green-blind)

#002A76

Tritanopia (blue-blind)

#003648

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #291d78;
/* rgb */ color: rgb(41, 29, 120);
/* oklch */ color: oklch(31.5% 0.146 279.9);

Tailwind

colors: {
  custom: {
    50: '#6e5ba0',
    500: '#291d78',
    950: '#000000',
  },
}

SCSS

$custom: #291d78;
$custom-light: #6e5ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#291d78",
  "rgb": {
    "r": 41,
    "g": 29,
    "b": 120
  },
  "hsl": {
    "h": 247.912,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31498,
    "c": 0.14588,
    "h": 279.9
  },
  "luminance": 0.02706
}

Semantic roles & 50–950 ramp

primary

#291D78

secondary

#9EAC45

accent

#E444CF

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040F

muted

#7B797E

Preview Lab

Preview with #291D78

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

Preview Lab → · Contrast checker → · Palette generator →