#291BA0#291BA0

#291BA0 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.7% C 0.197 H 274.5°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#291BA0
RGB	rgb(41, 27, 160)
HSL	hsl(246, 71%, 37%)
HSV	hsv(246, 83%, 63%)
CMYK	cmyk(74.4%, 83.1%, 0%, 37.3%)
CIE-LAB	lab(22.97, 47.88, -67.93)
CIE-LCH	lch(22.97, 83.11, 305.18°)
OKLab	oklab(35.73% 0.0156 -0.1964)
OKLCH	oklch(35.73% 0.197 274.5)
XYZ	xyz(7.6494, 3.7926, 33.5798)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291BA0 #92A01B

analogous

#1B50A0 #291BA0 #6C1BA0

triadic

#291BA0 #A0291B #1BA029

tetradic

#291BA0 #A01B50 #92A01B #1BA06C

square

#291BA0 #A01B50 #92A01B #1BA06C

split-complementary

#291BA0 #A06C1B #50A01B

monochromatic

#0E0937 #1C126C #291BA0 #3624D4 #6253E2

Accessibility & contrast

On white

11.94

#291BA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#291BA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291BA0

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291BA0	#FFFFFF	#000000	##FFFFFF
##291BA0	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA4

Deuteranopia (green-blind)

#00319E

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #291ba0;
/* rgb */ color: rgb(41, 27, 160);
/* oklch */ color: oklch(35.7% 0.197 274.5);

Tailwind

colors: {
  custom: {
    50: '#785cbd',
    500: '#291ba0',
    950: '#000000',
  },
}

SCSS

$custom: #291ba0;
$custom-light: #785cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#291ba0",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 160
  },
  "hsl": {
    "h": 246.316,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35729,
    "c": 0.19704,
    "h": 274.5
  },
  "luminance": 0.03793
}

Semantic roles & 50–950 ramp

primary

#291BA0

secondary

#B9C552

accent

#EE3ADB

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #291BA0

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

Preview Lab → · Contrast checker → · Palette generator →