#291BA5#291BA5

#291BA5 is a dark, highly saturated blue. Relative luminance 0.040; OKLCH L 36.3% C 0.203 H 274.0°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#291BA5
RGB	rgb(41, 27, 165)
HSL	hsl(246, 72%, 38%)
HSV	hsv(246, 84%, 65%)
CMYK	cmyk(75.2%, 83.6%, 0%, 35.3%)
CIE-LAB	lab(23.58, 49.41, -69.97)
CIE-LCH	lch(23.58, 85.66, 305.23°)
OKLab	oklab(36.32% 0.0142 -0.2023)
OKLCH	oklch(36.32% 0.203 274)
XYZ	xyz(8.0957, 3.9711, 35.9299)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291BA5 #97A51B

analogous

#1B52A5 #291BA5 #6E1BA5

triadic

#291BA5 #A5291B #1BA529

tetradic

#291BA5 #A51B52 #97A51B #1BA56E

square

#291BA5 #A51B52 #97A51B #1BA56E

split-complementary

#291BA5 #A56E1B #52A51B

monochromatic

#0F0A3C #1C1270 #291BA5 #3624DA #6557E3

Accessibility & contrast

On white

11.70

#291BA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#291BA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291BA5

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291BA5	#FFFFFF	#000000	##FFFFFF
##291BA5	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA9

Deuteranopia (green-blind)

#0032A3

Tritanopia (blue-blind)

#004862

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #291ba5;
/* rgb */ color: rgb(41, 27, 165);
/* oklch */ color: oklch(36.3% 0.203 274.0);

Tailwind

colors: {
  custom: {
    50: '#795cc1',
    500: '#291ba5',
    950: '#000000',
  },
}

SCSS

$custom: #291ba5;
$custom-light: #795cc1;
$custom-dark: #000000;

JSON

{
  "hex": "#291ba5",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 165
  },
  "hsl": {
    "h": 246.087,
    "s": 71.875,
    "l": 37.647
  },
  "oklch": {
    "l": 0.36319,
    "c": 0.20284,
    "h": 274
  },
  "luminance": 0.03972
}

Semantic roles & 50–950 ramp

primary

#291BA5

secondary

#BBC755

accent

#EF39DC

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0413

muted

#7C7982

Preview Lab

Preview with #291BA5

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

Preview Lab → · Contrast checker → · Palette generator →