#191DA0#191DA0
#191DA0 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.1% C 0.200 H 268.9°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).
Color values
| HEX | #191DA0 |
|---|---|
| RGB | rgb(25, 29, 160) |
| HSL | hsl(238, 73%, 36%) |
| HSV | hsv(238, 84%, 63%) |
| CMYK | cmyk(84.4%, 81.9%, 0%, 37.3%) |
| CIE-LAB | lab(22.38, 45.96, -68.94) |
| CIE-LCH | lch(22.38, 82.85, 303.69°) |
| OKLab | oklab(35.07% -0.0038 -0.1997) |
| OKLCH | oklch(35.07% 0.2 268.9) |
| XYZ | xyz(7.1833, 3.6226, 33.5715) |
| Luminance | 0.0362 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 2.32
Cobalt Blue
#030AA7
ΔE00 2.95
Royal Blue (survey)
#0504AA
ΔE00 3.52
Indigo Blue
#3A18B1
ΔE00 4.00
Ultramarine
#2000B1
ΔE00 4.04
True Blue
#010FCC
ΔE00 5.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#191DA0 #A09C19
analogous
#1961A0 #191DA0 #5919A0
triadic
#191DA0 #A0191D #1DA019
tetradic
#191DA0 #A01961 #A09C19 #19A059
square
#191DA0 #A01961 #A09C19 #19A059
split-complementary
#191DA0 #A05919 #61A019
monochromatic
#080A36 #11136B #191DA0 #2127D5 #5054E4
Accessibility & contrast
On white
12.18
#191DA0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.72
#191DA0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #191DA0
12.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##191DA0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##191DA0 | 1.00 | 12.18 | 1.72 | 12.18 |
| #FFFFFF | 12.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.72 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003CA4
Deuteranopia (green-blind)
#002E9E
Tritanopia (blue-blind)
#00475F
Achromatopsia (no color)
#353535
Design tokens & code
CSS
--color: #191da0; /* rgb */ color: rgb(25, 29, 160); /* oklch */ color: oklch(35.1% 0.200 268.9);
Tailwind
colors: {
custom: {
50: '#735cbe',
500: '#191da0',
950: '#000000',
},
}SCSS
$custom: #191da0; $custom-light: #735cbe; $custom-dark: #000000;
JSON
{
"hex": "#191da0",
"rgb": {
"r": 25,
"g": 29,
"b": 160
},
"hsl": {
"h": 238.222,
"s": 72.973,
"l": 36.275
},
"oklch": {
"l": 0.35072,
"c": 0.1997,
"h": 268.9
},
"luminance": 0.03623
}Semantic roles & 50–950 ramp
primary
#191DA0
secondary
#C6C24F
accent
#EA38F0
background
#F7F5FB
surface
#EEE9F7
border
#C9C5D0
text
#0A0412
muted
#7C7981