#191CA3#191CA3
#191CA3 is a dark, highly saturated blue. Relative luminance 0.037; OKLCH L 35.3% C 0.204 H 268.8°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).
Color values
| HEX | #191CA3 |
|---|---|
| RGB | rgb(25, 28, 163) |
| HSL | hsl(239, 73%, 37%) |
| HSV | hsv(239, 85%, 64%) |
| CMYK | cmyk(84.7%, 82.8%, 0%, 36.1%) |
| CIE-LAB | lab(22.59, 47.42, -70.43) |
| CIE-LCH | lch(22.59, 84.90, 303.95°) |
| OKLab | oklab(35.32% -0.0042 -0.2039) |
| OKLCH | oklch(35.32% 0.204 268.8) |
| XYZ | xyz(7.4248, 3.6806, 34.9623) |
| Luminance | 0.0368 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 2.60
Cobalt Blue
#030AA7
ΔE00 2.69
Royal Blue (survey)
#0504AA
ΔE00 3.22
Ultramarine
#2000B1
ΔE00 3.65
Indigo Blue
#3A18B1
ΔE00 3.67
True Blue
#010FCC
ΔE00 5.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#191CA3 #A3A019
analogous
#1961A3 #191CA3 #5B19A3
triadic
#191CA3 #A3191C #1CA319
tetradic
#191CA3 #A31961 #A3A019 #19A35B
square
#191CA3 #A31961 #A3A019 #19A35B
split-complementary
#191CA3 #A35B19 #61A319
monochromatic
#090A39 #11136E #191CA3 #2125D8 #5255E4
Accessibility & contrast
On white
12.09
#191CA3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.74
#191CA3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #191CA3
12.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##191CA3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##191CA3 | 1.00 | 12.09 | 1.74 | 12.09 |
| #FFFFFF | 12.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003DA7
Deuteranopia (green-blind)
#002FA1
Tritanopia (blue-blind)
#004861
Achromatopsia (no color)
#363636
Design tokens & code
CSS
--color: #191ca3; /* rgb */ color: rgb(25, 28, 163); /* oklch */ color: oklch(35.3% 0.204 268.8);
Tailwind
colors: {
custom: {
50: '#745cc0',
500: '#191ca3',
950: '#000000',
},
}SCSS
$custom: #191ca3; $custom-light: #745cc0; $custom-dark: #000000;
JSON
{
"hex": "#191ca3",
"rgb": {
"r": 25,
"g": 28,
"b": 163
},
"hsl": {
"h": 238.696,
"s": 73.404,
"l": 36.863
},
"oklch": {
"l": 0.3532,
"c": 0.20399,
"h": 268.8
},
"luminance": 0.03682
}Semantic roles & 50–950 ramp
primary
#191CA3
secondary
#C7C451
accent
#EC38F0
background
#F7F5FC
surface
#EEE9F8
border
#C9C5D1
text
#0A0412
muted
#7C7981