#1C2691#1C2691
#1C2691 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.7% C 0.172 H 269.7°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).
Color values
| HEX | #1C2691 |
|---|---|
| RGB | rgb(28, 38, 145) |
| HSL | hsl(235, 68%, 34%) |
| HSV | hsv(235, 81%, 57%) |
| CMYK | cmyk(80.7%, 73.8%, 0%, 43.1%) |
| CIE-LAB | lab(22.57, 35.89, -59.40) |
| CIE-LCH | lch(22.57, 69.40, 301.14°) |
| OKLab | oklab(34.74% -0.001 -0.172) |
| OKLCH | oklch(34.74% 0.172 269.7) |
| XYZ | xyz(6.2811, 3.6767, 27.1612) |
| Luminance | 0.0368 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 3.54
Midnight Blue
#191970
ΔE00 5.64
Sapphire (survey)
#2138AB
ΔE00 5.85
Cobalt Blue
#030AA7
ΔE00 5.87
Indigo Blue
#3A18B1
ΔE00 6.43
Royal Blue (survey)
#0504AA
ΔE00 6.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C2691 #91871C
analogous
#1C6191 #1C2691 #4D1C91
triadic
#1C2691 #911C26 #26911C
tetradic
#1C2691 #911C61 #91871C #1C914D
square
#1C2691 #911C61 #91871C #1C914D
split-complementary
#1C2691 #914D1C #61911C
monochromatic
#080B2A #12195E #1C2691 #2633C4 #4B58DC
Accessibility & contrast
On white
12.10
#1C2691 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.74
#1C2691 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C2691
12.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C2691 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C2691 | 1.00 | 12.10 | 1.74 | 12.10 |
| #FFFFFF | 12.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003C94
Deuteranopia (green-blind)
#00308F
Tritanopia (blue-blind)
#004559
Achromatopsia (no color)
#363636
Design tokens & code
CSS
--color: #1c2691; /* rgb */ color: rgb(28, 38, 145); /* oklch */ color: oklch(34.7% 0.172 269.7);
Tailwind
colors: {
custom: {
50: '#6e61b2',
500: '#1c2691',
950: '#000000',
},
}SCSS
$custom: #1c2691; $custom-light: #6e61b2; $custom-dark: #000000;
JSON
{
"hex": "#1c2691",
"rgb": {
"r": 28,
"g": 38,
"b": 145
},
"hsl": {
"h": 234.872,
"s": 67.63,
"l": 33.922
},
"oklch": {
"l": 0.34738,
"c": 0.17205,
"h": 269.7
},
"luminance": 0.03677
}Semantic roles & 50–950 ramp
primary
#1C2691
secondary
#BEB54A
accent
#DC3DEB
background
#F7F5FB
surface
#EDEAF6
border
#C8C6D0
text
#090511
muted
#7B7980