#1C449C#1C449C
#1C449C is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.5% C 0.151 H 263.1°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).
Color values
| HEX | #1C449C |
|---|---|
| RGB | rgb(28, 68, 156) |
| HSL | hsl(221, 70%, 36%) |
| HSV | hsv(221, 82%, 61%) |
| CMYK | cmyk(82.1%, 56.4%, 0%, 38.8%) |
| CIE-LAB | lab(31.30, 20.10, -51.84) |
| CIE-LCH | lch(31.30, 55.60, 291.19°) |
| OKLab | oklab(41.49% -0.0182 -0.1496) |
| OKLCH | oklch(41.49% 0.151 263.1) |
| XYZ | xyz(8.5446, 6.7804, 32.3045) |
| Luminance | 0.0678 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.31
Cobalt (survey)
#1E488F
ΔE00 2.69
Darkish Blue
#014182
ΔE00 4.67
Sapphire (survey)
#2138AB
ΔE00 5.26
Twilight Blue
#0A437A
ΔE00 5.68
Sapphire
#0F52BA
ΔE00 5.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C449C #9C741C
analogous
#1C849C #1C449C #341C9C
triadic
#1C449C #9C1C44 #449C1C
tetradic
#1C449C #9C1C84 #9C741C #1C9C34
square
#1C449C #9C1C84 #9C741C #1C9C34
split-complementary
#1C449C #9C341C #849C1C
monochromatic
#091734 #132D68 #1C449C #255BD0 #527FE0
Accessibility & contrast
On white
8.91
#1C449C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.36
#1C449C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C449C
8.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C449C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C449C | 1.00 | 8.91 | 2.36 | 8.91 |
| #FFFFFF | 8.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.36 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00509F
Deuteranopia (green-blind)
#00449A
Tritanopia (blue-blind)
#005A69
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #1c449c; /* rgb */ color: rgb(28, 68, 156); /* oklch */ color: oklch(41.5% 0.151 263.1);
Tailwind
colors: {
custom: {
50: '#6f77ba',
500: '#1c449c',
950: '#000000',
},
}SCSS
$custom: #1c449c; $custom-light: #6f77ba; $custom-dark: #000000;
JSON
{
"hex": "#1c449c",
"rgb": {
"r": 28,
"g": 68,
"b": 156
},
"hsl": {
"h": 221.25,
"s": 69.565,
"l": 36.078
},
"oklch": {
"l": 0.4149,
"c": 0.15076,
"h": 263.1
},
"luminance": 0.06781
}Semantic roles & 50–950 ramp
primary
#1C449C
secondary
#C39F51
accent
#B53BEC
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090812
muted
#7B7B81