#1C475B#1C475B
#1C475B is a dark, muted cyan. Relative luminance 0.055; OKLCH L 37.7% C 0.058 H 231.3°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1C475B |
|---|---|
| RGB | rgb(28, 71, 91) |
| HSL | hsl(199, 53%, 23%) |
| HSV | hsv(199, 69%, 36%) |
| CMYK | cmyk(69.2%, 22%, 0%, 64.3%) |
| CIE-LAB | lab(28.14, -7.77, -16.24) |
| CIE-LCH | lch(28.14, 18.00, 244.43°) |
| OKLab | oklab(37.72% -0.0364 -0.0454) |
| OKLCH | oklch(37.72% 0.058 231.3) |
| XYZ | xyz(4.6197, 5.5082, 10.7152) |
| Luminance | 0.0551 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Grey Blue
#29465B
ΔE00 3.46
Dark Slate Blue
#214761
ΔE00 3.62
Dark Blue Grey
#1F3B4D
ΔE00 4.63
Charcoal
#36454F
ΔE00 6.41
Deep Sea Blue
#015482
ΔE00 8.58
Prussian Blue
#004577
ΔE00 8.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C475B #5B301C
analogous
#1C5B4F #1C475B #1C275B
triadic
#1C475B #5B1C47 #475B1C
tetradic
#1C475B #4F1C5B #5B301C #275B1C
square
#1C475B #4F1C5B #5B301C #275B1C
split-complementary
#1C475B #5B1C27 #5B4F1C
monochromatic
#071217 #0E222C #1C475B #2A6C8A #3990B9
Accessibility & contrast
On white
9.99
#1C475B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#1C475B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C475B
9.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C475B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C475B | 1.00 | 9.99 | 2.10 | 9.99 |
| #FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3D465C
Deuteranopia (green-blind)
#34405B
Tritanopia (blue-blind)
#004C4E
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #1c475b; /* rgb */ color: rgb(28, 71, 91); /* oklch */ color: oklch(37.7% 0.058 231.3);
Tailwind
colors: {
custom: {
50: '#607a89',
500: '#1c475b',
950: '#000000',
},
}SCSS
$custom: #1c475b; $custom-light: #607a89; $custom-dark: #000000;
JSON
{
"hex": "#1c475b",
"rgb": {
"r": 28,
"g": 71,
"b": 91
},
"hsl": {
"h": 199.048,
"s": 52.941,
"l": 23.333
},
"oklch": {
"l": 0.37717,
"c": 0.05823,
"h": 231.3
},
"luminance": 0.05509
}Semantic roles & 50–950 ramp
primary
#1C475B
secondary
#905B42
accent
#794BDC
background
#F5F7F8
surface
#EAEDF0
border
#C6C8CB
text
#05090B
muted
#797B7C