#291F70#291F70

#291F70 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.0% C 0.133 H 280.9°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#291F70
RGB	rgb(41, 31, 112)
HSL	hsl(247, 57%, 28%)
HSV	hsv(247, 72%, 44%)
CMYK	cmyk(63.4%, 72.3%, 0%, 56.1%)
CIE-LAB	lab(18.46, 30.03, -45.25)
CIE-LCH	lch(18.46, 54.31, 303.57°)
OKLab	oklab(30.99% 0.0251 -0.1304)
OKLCH	oklch(30.99% 0.133 280.9)
XYZ	xyz(4.3281, 2.6209, 15.6039)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F70 #66701F

analogous

#1F3E70 #291F70 #511F70

triadic

#291F70 #70291F #1F7029

tetradic

#291F70 #701F3E #66701F #1F7051

square

#291F70 #701F3E #66701F #1F7051

split-complementary

#291F70 #70511F #3E701F

monochromatic

#090718 #171240 #291F70 #3B2CA0 #513FCA

Accessibility & contrast

On white

13.78

#291F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#291F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F70

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F70	#FFFFFF	#000000	##FFFFFF
##291F70	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003072

Deuteranopia (green-blind)

#002A6E

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #291f70;
/* rgb */ color: rgb(41, 31, 112);
/* oklch */ color: oklch(31.0% 0.133 280.9);

Tailwind

colors: {
  custom: {
    50: '#6c5c9a',
    500: '#291f70',
    950: '#000000',
  },
}

SCSS

$custom: #291f70;
$custom-light: #6c5c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#291f70",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 112
  },
  "hsl": {
    "h": 247.407,
    "s": 56.643,
    "l": 28.039
  },
  "oklch": {
    "l": 0.3099,
    "c": 0.1328,
    "h": 280.9
  },
  "luminance": 0.02621
}

Semantic roles & 50–950 ramp

primary

#291F70

secondary

#98A447

accent

#E048CD

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #291F70

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

Preview Lab → · Contrast checker → · Palette generator →