#291F71#291F71

#291F71 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.134 H 280.7°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#291F71
RGB	rgb(41, 31, 113)
HSL	hsl(247, 57%, 28%)
HSV	hsv(247, 73%, 44%)
CMYK	cmyk(63.7%, 72.6%, 0%, 55.7%)
CIE-LAB	lab(18.55, 30.37, -45.74)
CIE-LCH	lch(18.55, 54.91, 303.59°)
OKLab	oklab(31.09% 0.025 -0.1318)
OKLCH	oklch(31.09% 0.134 280.7)
XYZ	xyz(4.3841, 2.6433, 15.8988)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F71 #67711F

analogous

#1F3E71 #291F71 #521F71

triadic

#291F71 #71291F #1F7129

tetradic

#291F71 #711F3E #67711F #1F7152

square

#291F71 #711F3E #67711F #1F7152

split-complementary

#291F71 #71521F #3E711F

monochromatic

#090718 #181241 #291F71 #3A2CA1 #5140CB

Accessibility & contrast

On white

13.74

#291F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#291F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F71

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F71	#FFFFFF	#000000	##FFFFFF
##291F71	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003073

Deuteranopia (green-blind)

#002A6F

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #291f71;
/* rgb */ color: rgb(41, 31, 113);
/* oklch */ color: oklch(31.1% 0.134 280.7);

Tailwind

colors: {
  custom: {
    50: '#6c5c9b',
    500: '#291f71',
    950: '#000000',
  },
}

SCSS

$custom: #291f71;
$custom-light: #6c5c9b;
$custom-dark: #000000;

JSON

{
  "hex": "#291f71",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 113
  },
  "hsl": {
    "h": 247.317,
    "s": 56.944,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3109,
    "c": 0.13417,
    "h": 280.7
  },
  "luminance": 0.02644
}

Semantic roles & 50–950 ramp

primary

#291F71

secondary

#99A547

accent

#E048CE

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08040E

muted

#7A797E

Preview Lab

Preview with #291F71

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

Preview Lab → · Contrast checker → · Palette generator →