#1C497B#1C497B
#1C497B is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 40.1% C 0.098 H 253.4°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).
Color values
| HEX | #1C497B |
|---|---|
| RGB | rgb(28, 73, 123) |
| HSL | hsl(212, 63%, 30%) |
| HSV | hsv(212, 77%, 48%) |
| CMYK | cmyk(77.2%, 40.7%, 0%, 51.8%) |
| CIE-LAB | lab(30.50, 3.36, -32.83) |
| CIE-LCH | lch(30.50, 33.00, 275.84°) |
| OKLab | oklab(40.14% -0.0279 -0.0936) |
| OKLCH | oklch(40.14% 0.098 253.4) |
| XYZ | xyz(6.4353, 6.4413, 19.6392) |
| Luminance | 0.0644 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 2.02
Prussian Blue
#004577
ΔE00 2.32
Light Navy
#155084
ΔE00 2.86
Darkish Blue
#014182
ΔE00 2.92
Cobalt (survey)
#1E488F
ΔE00 3.22
Dusk Blue
#26538D
ΔE00 3.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C497B #7B4E1C
analogous
#1C797B #1C497B #1F1C7B
triadic
#1C497B #7B1C49 #497B1C
tetradic
#1C497B #7B1C79 #7B4E1C #1C7B1F
square
#1C497B #7B1C79 #7B4E1C #1C7B1F
split-complementary
#1C497B #7B1F1C #797B1C
monochromatic
#060F19 #112B49 #1C497B #2767AD #3E85D3
Accessibility & contrast
On white
9.18
#1C497B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.29
#1C497B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C497B
9.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C497B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C497B | 1.00 | 9.18 | 2.29 | 9.18 |
| #FFFFFF | 9.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.29 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#324D7D
Deuteranopia (green-blind)
#23447A
Tritanopia (blue-blind)
#00555C
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #1c497b; /* rgb */ color: rgb(28, 73, 123); /* oklch */ color: oklch(40.1% 0.098 253.4);
Tailwind
colors: {
custom: {
50: '#667ba1',
500: '#1c497b',
950: '#000000',
},
}SCSS
$custom: #1c497b; $custom-light: #667ba1; $custom-dark: #000000;
JSON
{
"hex": "#1c497b",
"rgb": {
"r": 28,
"g": 73,
"b": 123
},
"hsl": {
"h": 211.579,
"s": 62.914,
"l": 29.608
},
"oklch": {
"l": 0.4014,
"c": 0.09771,
"h": 253.4
},
"luminance": 0.06442
}Semantic roles & 50–950 ramp
primary
#1C497B
secondary
#AF7C44
accent
#9842E6
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#07090F
muted
#7A7B7E