#291B7B#291B7B

#291B7B is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.152 H 279.8°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#291B7B
RGB	rgb(41, 27, 123)
HSL	hsl(249, 64%, 29%)
HSV	hsv(249, 78%, 48%)
CMYK	cmyk(66.7%, 78%, 0%, 51.8%)
CIE-LAB	lab(18.74, 36.12, -51.87)
CIE-LCH	lch(18.74, 63.20, 304.85°)
OKLab	oklab(31.53% 0.0258 -0.1497)
OKLCH	oklch(31.53% 0.152 279.8)
XYZ	xyz(4.8804, 2.6850, 18.9961)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B7B #6D7B1B

analogous

#1B3D7B #291B7B #591B7B

triadic

#291B7B #7B291B #1B7B29

tetradic

#291B7B #7B1B3D #6D7B1B #1B7B59

square

#291B7B #7B1B3D #6D7B1B #1B7B59

split-complementary

#291B7B #7B591B #3D7B1B

monochromatic

#080619 #181049 #291B7B #3A26AD #523CD4

Accessibility & contrast

On white

13.66

#291B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#291B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B7B

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B7B	#FFFFFF	#000000	##FFFFFF
##291B7B	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317E

Deuteranopia (green-blind)

#002A79

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #291b7b;
/* rgb */ color: rgb(41, 27, 123);
/* oklch */ color: oklch(31.5% 0.152 279.8);

Tailwind

colors: {
  custom: {
    50: '#6f5aa2',
    500: '#291b7b',
    950: '#000000',
  },
}

SCSS

$custom: #291b7b;
$custom-light: #6f5aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#291b7b",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 123
  },
  "hsl": {
    "h": 248.75,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31531,
    "c": 0.15191,
    "h": 279.8
  },
  "luminance": 0.02685
}

Semantic roles & 50–950 ramp

primary

#291B7B

secondary

#9FAF43

accent

#E741CF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #291B7B

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

Preview Lab → · Contrast checker → · Palette generator →