#291C77#291C77

#291C77 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.2% C 0.146 H 280.3°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#291C77
RGB	rgb(41, 28, 119)
HSL	hsl(249, 62%, 29%)
HSV	hsv(249, 76%, 47%)
CMYK	cmyk(65.5%, 76.5%, 0%, 53.3%)
CIE-LAB	lab(18.51, 34.22, -49.67)
CIE-LCH	lch(18.51, 60.32, 304.56°)
OKLab	oklab(31.25% 0.0261 -0.1433)
OKLCH	oklch(31.25% 0.146 280.3)
XYZ	xyz(4.6584, 2.6335, 17.7120)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291C77 #6A771C

analogous

#1C3D77 #291C77 #571C77

triadic

#291C77 #77291C #1C7729

tetradic

#291C77 #771C3D #6A771C #1C7757

square

#291C77 #771C3D #6A771C #1C7757

split-complementary

#291C77 #77571C #3D771C

monochromatic

#090619 #181045 #291C77 #3A28A9 #523CD1

Accessibility & contrast

On white

13.75

#291C77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#291C77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291C77

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291C77	#FFFFFF	#000000	##FFFFFF
##291C77	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307A

Deuteranopia (green-blind)

#002A75

Tritanopia (blue-blind)

#003648

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #291c77;
/* rgb */ color: rgb(41, 28, 119);
/* oklch */ color: oklch(31.2% 0.146 280.3);

Tailwind

colors: {
  custom: {
    50: '#6e5a9f',
    500: '#291c77',
    950: '#000000',
  },
}

SCSS

$custom: #291c77;
$custom-light: #6e5a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#291c77",
  "rgb": {
    "r": 41,
    "g": 28,
    "b": 119
  },
  "hsl": {
    "h": 248.571,
    "s": 61.905,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31245,
    "c": 0.14567,
    "h": 280.3
  },
  "luminance": 0.02634
}

Semantic roles & 50–950 ramp

primary

#291C77

secondary

#9CAB44

accent

#E543CE

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040F

muted

#7B797E

Preview Lab

Preview with #291C77

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

Preview Lab → · Contrast checker → · Palette generator →