#291EB3#291EB3

#291EB3 is a dark, highly saturated blue. Relative luminance 0.047; OKLCH L 38.3% C 0.217 H 272.5°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#291EB3
RGB	rgb(41, 30, 179)
HSL	hsl(244, 71%, 41%)
HSV	hsv(244, 83%, 70%)
CMYK	cmyk(77.1%, 83.2%, 0%, 29.8%)
CIE-LAB	lab(25.72, 52.30, -74.84)
CIE-LCH	lch(25.72, 91.30, 304.95°)
OKLab	oklab(38.29% 0.0096 -0.2165)
OKLCH	oklch(38.29% 0.217 272.5)
XYZ	xyz(9.5127, 4.6536, 43.0360)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291EB3 #A8B31E

analogous

#1E5DB3 #291EB3 #741EB3

triadic

#291EB3 #B3291E #1EB329

tetradic

#291EB3 #B31E5D #A8B31E #1EB374

square

#291EB3 #B31E5D #A8B31E #1EB374

split-complementary

#291EB3 #B3741E #5DB31E

monochromatic

#110C4A #1D157F #291EB3 #3E32DD #6F66E5

Accessibility & contrast

On white

10.88

#291EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#291EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291EB3

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291EB3	#FFFFFF	#000000	##FFFFFF
##291EB3	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B7

Deuteranopia (green-blind)

#0036B1

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #291eb3;
/* rgb */ color: rgb(41, 30, 179);
/* oklch */ color: oklch(38.3% 0.217 272.5);

Tailwind

colors: {
  custom: {
    50: '#7c5fcb',
    500: '#291eb3',
    950: '#000000',
  },
}

SCSS

$custom: #291eb3;
$custom-light: #7c5fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#291eb3",
  "rgb": {
    "r": 41,
    "g": 30,
    "b": 179
  },
  "hsl": {
    "h": 244.43,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.38287,
    "c": 0.2167,
    "h": 272.5
  },
  "luminance": 0.04655
}

Semantic roles & 50–950 ramp

primary

#291EB3

secondary

#C3CB62

accent

#EE3AE1

background

#F8F5FC

surface

#F0EAF9

border

#CBC6D2

text

#0B0514

muted

#7C7982

Preview Lab

Preview with #291EB3

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

Preview Lab → · Contrast checker → · Palette generator →