#291F79#291F79

#291F79 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.145 H 279.3°. Best body text is #FFFFFF at 13.41:1 contrast (WCAG AA passes).

Color values

HEX	#291F79
RGB	rgb(41, 31, 121)
HSL	hsl(247, 59%, 30%)
HSV	hsv(247, 74%, 47%)
CMYK	cmyk(66.1%, 74.4%, 0%, 52.5%)
CIE-LAB	lab(19.36, 33.12, -49.57)
CIE-LCH	lch(19.36, 59.61, 303.75°)
OKLab	oklab(31.91% 0.0234 -0.143)
OKLCH	oklch(31.91% 0.145 279.3)
XYZ	xyz(4.8545, 2.8315, 18.3762)
Luminance	0.0283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F79 #6F791F

analogous

#1F4279 #291F79 #561F79

triadic

#291F79 #79291F #1F7929

tetradic

#291F79 #791F42 #6F791F #1F7956

square

#291F79 #791F42 #6F791F #1F7956

split-complementary

#291F79 #79561F #42791F

monochromatic

#080618 #181348 #291F79 #3A2BAA #5343CF

Accessibility & contrast

On white

13.41

#291F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#291F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F79

13.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F79	#FFFFFF	#000000	##FFFFFF
##291F79	1.00	13.41	1.57	13.41
#FFFFFF	13.41	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327C

Deuteranopia (green-blind)

#002B77

Tritanopia (blue-blind)

#00384A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #291f79;
/* rgb */ color: rgb(41, 31, 121);
/* oklch */ color: oklch(31.9% 0.145 279.3);

Tailwind

colors: {
  custom: {
    50: '#6e5ca1',
    500: '#291f79',
    950: '#000000',
  },
}

SCSS

$custom: #291f79;
$custom-light: #6e5ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#291f79",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 121
  },
  "hsl": {
    "h": 246.667,
    "s": 59.211,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31907,
    "c": 0.14493,
    "h": 279.3
  },
  "luminance": 0.02832
}

Semantic roles & 50–950 ramp

primary

#291F79

secondary

#A1AC47

accent

#E245D1

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08040F

muted

#7B797F

Preview Lab

Preview with #291F79

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

Preview Lab → · Contrast checker → · Palette generator →