#1C445A#1C445A
#1C445A is a dark, muted cyan. Relative luminance 0.051; OKLCH L 36.9% C 0.059 H 235.5°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).
Color values
| HEX | #1C445A |
|---|---|
| RGB | rgb(28, 68, 90) |
| HSL | hsl(201, 53%, 23%) |
| HSV | hsv(201, 69%, 35%) |
| CMYK | cmyk(68.9%, 24.4%, 0%, 64.7%) |
| CIE-LAB | lab(27.07, -6.24, -17.24) |
| CIE-LCH | lch(27.07, 18.34, 250.09°) |
| OKLab | oklab(36.85% -0.0332 -0.0483) |
| OKLCH | oklch(36.85% 0.059 235.5) |
| XYZ | xyz(4.3908, 5.1189, 10.4275) |
| Luminance | 0.0512 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 2.35
Dark Grey Blue
#29465B
ΔE00 2.35
Dark Blue Grey
#1F3B4D
ΔE00 3.44
Charcoal
#36454F
ΔE00 6.30
Prussian Blue
#004577
ΔE00 7.35
Twilight Blue
#0A437A
ΔE00 8.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C445A #5A321C
analogous
#1C5A51 #1C445A #1C255A
triadic
#1C445A #5A1C44 #445A1C
tetradic
#1C445A #511C5A #5A321C #255A1C
square
#1C445A #511C5A #5A321C #255A1C
split-complementary
#1C445A #5A1C25 #5A511C
monochromatic
#071217 #0D212B #1C445A #2B6789 #398BB7
Accessibility & contrast
On white
10.38
#1C445A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.02
#1C445A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C445A
10.38:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C445A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C445A | 1.00 | 10.38 | 2.02 | 10.38 |
| #FFFFFF | 10.38 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.02 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.38 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3A435B
Deuteranopia (green-blind)
#313D5A
Tritanopia (blue-blind)
#004A4B
Achromatopsia (no color)
#404040
Design tokens & code
CSS
--color: #1c445a; /* rgb */ color: rgb(28, 68, 90); /* oklch */ color: oklch(36.9% 0.059 235.5);
Tailwind
colors: {
custom: {
50: '#607788',
500: '#1c445a',
950: '#000000',
},
}SCSS
$custom: #1c445a; $custom-light: #607788; $custom-dark: #000000;
JSON
{
"hex": "#1c445a",
"rgb": {
"r": 28,
"g": 68,
"b": 90
},
"hsl": {
"h": 201.29,
"s": 52.542,
"l": 23.137
},
"oklch": {
"l": 0.36854,
"c": 0.05863,
"h": 235.5
},
"luminance": 0.05119
}Semantic roles & 50–950 ramp
primary
#1C445A
secondary
#8F5E42
accent
#7F4CDC
background
#F5F7F8
surface
#EAEDF0
border
#C6C8CB
text
#05080B
muted
#797B7C