#291DBA#291DBA

#291DBA is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 39.0% C 0.225 H 272.1°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#291DBA
RGB	rgb(41, 29, 186)
HSL	hsl(245, 73%, 42%)
HSV	hsv(245, 84%, 73%)
CMYK	cmyk(78%, 84.4%, 0%, 27.1%)
CIE-LAB	lab(26.43, 54.82, -77.83)
CIE-LCH	lch(26.43, 95.20, 305.16°)
OKLab	oklab(39.02% 0.0081 -0.2251)
OKLCH	oklch(39.02% 0.225 272.1)
XYZ	xyz(10.2138, 4.8942, 46.8512)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291DBA #AEBA1D

analogous

#1D60BA #291DBA #781DBA

triadic

#291DBA #BA291D #1DBA29

tetradic

#291DBA #BA1D60 #AEBA1D #1DBA78

square

#291DBA #BA1D60 #AEBA1D #1DBA78

split-complementary

#291DBA #BA781D #60BA1D

monochromatic

#120C50 #1D1585 #291DBA #4235DF #736AE8

Accessibility & contrast

On white

10.61

#291DBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#291DBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291DBA

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291DBA	#FFFFFF	#000000	##FFFFFF
##291DBA	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046BE

Deuteranopia (green-blind)

#0037B7

Tritanopia (blue-blind)

#00516F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #291dba;
/* rgb */ color: rgb(41, 29, 186);
/* oklch */ color: oklch(39.0% 0.225 272.1);

Tailwind

colors: {
  custom: {
    50: '#7e5fd0',
    500: '#291dba',
    950: '#000000',
  },
}

SCSS

$custom: #291dba;
$custom-light: #7e5fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#291dba",
  "rgb": {
    "r": 41,
    "g": 29,
    "b": 186
  },
  "hsl": {
    "h": 244.586,
    "s": 73.023,
    "l": 42.157
  },
  "oklch": {
    "l": 0.39018,
    "c": 0.22528,
    "h": 272.1
  },
  "luminance": 0.04895
}

Semantic roles & 50–950 ramp

primary

#291DBA

secondary

#C5CD65

accent

#F038E2

background

#F8F5FD

surface

#F0EAFA

border

#CBC6D3

text

#0C0514

muted

#7D7983

Preview Lab

Preview with #291DBA

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

Preview Lab → · Contrast checker → · Palette generator →