#291FA5#291FA5

#291FA5 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.8% C 0.200 H 273.7°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#291FA5
RGB	rgb(41, 31, 165)
HSL	hsl(244, 68%, 38%)
HSV	hsv(244, 81%, 65%)
CMYK	cmyk(75.2%, 81.2%, 0%, 35.3%)
CIE-LAB	lab(24.22, 47.53, -68.91)
CIE-LCH	lch(24.22, 83.71, 304.60°)
OKLab	oklab(36.76% 0.0129 -0.1993)
OKLCH	oklch(36.76% 0.2 273.7)
XYZ	xyz(8.1937, 4.1672, 35.9625)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291FA5 #9BA51F

analogous

#1F58A5 #291FA5 #6C1FA5

triadic

#291FA5 #A5291F #1FA529

tetradic

#291FA5 #A51F58 #9BA51F #1FA56C

square

#291FA5 #A51F58 #9BA51F #1FA56C

split-complementary

#291FA5 #A56C1F #58A51F

monochromatic

#0F0C3E #1C1571 #291FA5 #372AD7 #675EE1

Accessibility & contrast

On white

11.45

#291FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#291FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291FA5

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291FA5	#FFFFFF	#000000	##FFFFFF
##291FA5	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A9

Deuteranopia (green-blind)

#0033A3

Tritanopia (blue-blind)

#004963

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #291fa5;
/* rgb */ color: rgb(41, 31, 165);
/* oklch */ color: oklch(36.8% 0.200 273.7);

Tailwind

colors: {
  custom: {
    50: '#785fc1',
    500: '#291fa5',
    950: '#000000',
  },
}

SCSS

$custom: #291fa5;
$custom-light: #785fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#291fa5",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 165
  },
  "hsl": {
    "h": 244.478,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.36762,
    "c": 0.19975,
    "h": 273.7
  },
  "luminance": 0.04168
}

Semantic roles & 50–950 ramp

primary

#291FA5

secondary

#BDC55B

accent

#EB3DDE

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #291FA5

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

Preview Lab → · Contrast checker → · Palette generator →