#1C2A91#1C2A91
#1C2A91 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.4% C 0.168 H 269.0°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).
Color values
| HEX | #1C2A91 |
|---|---|
| RGB | rgb(28, 42, 145) |
| HSL | hsl(233, 68%, 34%) |
| HSV | hsv(233, 81%, 57%) |
| CMYK | cmyk(80.7%, 71%, 0%, 43.1%) |
| CIE-LAB | lab(23.49, 33.35, -57.88) |
| CIE-LCH | lch(23.49, 66.80, 299.95°) |
| OKLab | oklab(35.4% -0.0028 -0.1676) |
| OKLCH | oklch(35.4% 0.168 269) |
| XYZ | xyz(6.4159, 3.9464, 27.2062) |
| Luminance | 0.0395 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 4.65
Sapphire (survey)
#2138AB
ΔE00 5.06
Midnight Blue
#191970
ΔE00 6.24
Cobalt Blue
#030AA7
ΔE00 6.87
Indigo Blue
#3A18B1
ΔE00 7.10
Royal Blue (survey)
#0504AA
ΔE00 7.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C2A91 #91831C
analogous
#1C6591 #1C2A91 #491C91
triadic
#1C2A91 #911C2A #2A911C
tetradic
#1C2A91 #911C65 #91831C #1C9149
square
#1C2A91 #911C65 #91831C #1C9149
split-complementary
#1C2A91 #91491C #65911C
monochromatic
#080C2A #121B5E #1C2A91 #2639C4 #4B5CDC
Accessibility & contrast
On white
11.74
#1C2A91 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.79
#1C2A91 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C2A91
11.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C2A91 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C2A91 | 1.00 | 11.74 | 1.79 | 11.74 |
| #FFFFFF | 11.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.79 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003E94
Deuteranopia (green-blind)
#00328F
Tritanopia (blue-blind)
#00475A
Achromatopsia (no color)
#383838
Design tokens & code
CSS
--color: #1c2a91; /* rgb */ color: rgb(28, 42, 145); /* oklch */ color: oklch(35.4% 0.168 269.0);
Tailwind
colors: {
custom: {
50: '#6e64b2',
500: '#1c2a91',
950: '#000000',
},
}SCSS
$custom: #1c2a91; $custom-light: #6e64b2; $custom-dark: #000000;
JSON
{
"hex": "#1c2a91",
"rgb": {
"r": 28,
"g": 42,
"b": 145
},
"hsl": {
"h": 232.821,
"s": 67.63,
"l": 33.922
},
"oklch": {
"l": 0.35401,
"c": 0.16765,
"h": 269
},
"luminance": 0.03947
}Semantic roles & 50–950 ramp
primary
#1C2A91
secondary
#BEB14A
accent
#D63DEB
background
#F7F6FB
surface
#EDEBF6
border
#C8C6D0
text
#080511
muted
#7B7A80