#291B7A#291B7A

#291B7A is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.4% C 0.151 H 280.0°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#291B7A
RGB	rgb(41, 27, 122)
HSL	hsl(249, 64%, 29%)
HSV	hsv(249, 78%, 48%)
CMYK	cmyk(66.4%, 77.9%, 0%, 52.2%)
CIE-LAB	lab(18.63, 35.79, -51.41)
CIE-LCH	lch(18.63, 62.64, 304.85°)
OKLab	oklab(31.42% 0.026 -0.1484)
OKLCH	oklch(31.42% 0.151 280)
XYZ	xyz(4.8181, 2.6600, 18.6681)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B7A #6C7A1B

analogous

#1B3D7A #291B7A #591B7A

triadic

#291B7A #7A291B #1B7A29

tetradic

#291B7A #7A1B3D #6C7A1B #1B7A59

square

#291B7A #7A1B3D #6C7A1B #1B7A59

split-complementary

#291B7A #7A591B #3D7A1B

monochromatic

#080619 #181048 #291B7A #3A26AC #523CD4

Accessibility & contrast

On white

13.71

#291B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#291B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B7A

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B7A	#FFFFFF	#000000	##FFFFFF
##291B7A	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317D

Deuteranopia (green-blind)

#002A78

Tritanopia (blue-blind)

#003649

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #291b7a;
/* rgb */ color: rgb(41, 27, 122);
/* oklch */ color: oklch(31.4% 0.151 280.0);

Tailwind

colors: {
  custom: {
    50: '#6f5aa1',
    500: '#291b7a',
    950: '#000000',
  },
}

SCSS

$custom: #291b7a;
$custom-light: #6f5aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#291b7a",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 122
  },
  "hsl": {
    "h": 248.842,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31422,
    "c": 0.15064,
    "h": 280
  },
  "luminance": 0.0266
}

Semantic roles & 50–950 ramp

primary

#291B7A

secondary

#9EAE43

accent

#E741CE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #291B7A

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

Preview Lab → · Contrast checker → · Palette generator →