#291C99#291C99
#291C99 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.0% C 0.188 H 275.2°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).
Color values
| HEX | #291C99 |
|---|---|
| RGB | rgb(41, 28, 153) |
| HSL | hsl(246, 69%, 35%) |
| HSV | hsv(246, 82%, 60%) |
| CMYK | cmyk(73.2%, 81.7%, 0%, 40%) |
| CIE-LAB | lab(22.31, 45.24, -64.75) |
| CIE-LCH | lch(22.31, 78.99, 304.94°) |
| OKLab | oklab(35.03% 0.0172 -0.1872) |
| OKLCH | oklch(35.03% 0.188 275.2) |
| XYZ | xyz(7.0776, 3.6011, 30.4529) |
| Luminance | 0.0360 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 2.41
Cobalt Blue
#030AA7
ΔE00 3.44
Indigo Blue
#3A18B1
ΔE00 3.87
Royal Blue (survey)
#0504AA
ΔE00 3.93
Ultramarine
#2000B1
ΔE00 4.27
Darkblue
#00008B
ΔE00 5.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#291C99 #8C991C
analogous
#1C4D99 #291C99 #671C99
triadic
#291C99 #99291C #1C9929
tetradic
#291C99 #991C4D #8C991C #1C9967
square
#291C99 #991C4D #8C991C #1C9967
split-complementary
#291C99 #99671C #4D991C
monochromatic
#0D0932 #1B1365 #291C99 #3725CD #5F50DF
Accessibility & contrast
On white
12.21
#291C99 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.72
#291C99 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #291C99
12.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##291C99 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##291C99 | 1.00 | 12.21 | 1.72 | 12.21 |
| #FFFFFF | 12.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.72 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003B9C
Deuteranopia (green-blind)
#003097
Tritanopia (blue-blind)
#00435B
Achromatopsia (no color)
#353535
Design tokens & code
CSS
--color: #291c99; /* rgb */ color: rgb(41, 28, 153); /* oklch */ color: oklch(35.0% 0.188 275.2);
Tailwind
colors: {
custom: {
50: '#765cb8',
500: '#291c99',
950: '#000000',
},
}SCSS
$custom: #291c99; $custom-light: #765cb8; $custom-dark: #000000;
JSON
{
"hex": "#291c99",
"rgb": {
"r": 41,
"g": 28,
"b": 153
},
"hsl": {
"h": 246.24,
"s": 69.061,
"l": 35.49
},
"oklch": {
"l": 0.35027,
"c": 0.188,
"h": 275.2
},
"luminance": 0.03602
}Semantic roles & 50–950 ramp
primary
#291C99
secondary
#B6C24F
accent
#EC3CDA
background
#F7F5FB
surface
#EEE9F6
border
#C9C5D0
text
#0A0412
muted
#7C7981