#1C497A#1C497A
#1C497A is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 40.1% C 0.096 H 253.0°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).
Color values
| HEX | #1C497A |
|---|---|
| RGB | rgb(28, 73, 122) |
| HSL | hsl(211, 63%, 29%) |
| HSV | hsv(211, 77%, 48%) |
| CMYK | cmyk(77%, 40.2%, 0%, 52.2%) |
| CIE-LAB | lab(30.44, 2.96, -32.30) |
| CIE-LCH | lch(30.44, 32.44, 275.23°) |
| OKLab | oklab(40.07% -0.0281 -0.0921) |
| OKLCH | oklch(40.07% 0.096 253) |
| XYZ | xyz(6.3730, 6.4164, 19.3112) |
| Luminance | 0.0642 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 2.03
Prussian Blue
#004577
ΔE00 2.23
Light Navy
#155084
ΔE00 2.84
Darkish Blue
#014182
ΔE00 3.00
Cobalt (survey)
#1E488F
ΔE00 3.37
Dusk Blue
#26538D
ΔE00 3.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C497A #7A4D1C
analogous
#1C787A #1C497A #1E1C7A
triadic
#1C497A #7A1C49 #497A1C
tetradic
#1C497A #7A1C78 #7A4D1C #1C7A1E
square
#1C497A #7A1C78 #7A4D1C #1C7A1E
split-complementary
#1C497A #7A1E1C #787A1C
monochromatic
#060F19 #112B48 #1C497A #2767AC #3E85D3
Accessibility & contrast
On white
9.20
#1C497A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.28
#1C497A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C497A
9.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C497A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C497A | 1.00 | 9.20 | 2.28 | 9.20 |
| #FFFFFF | 9.20 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.20 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#324C7C
Deuteranopia (green-blind)
#244479
Tritanopia (blue-blind)
#00555B
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #1c497a; /* rgb */ color: rgb(28, 73, 122); /* oklch */ color: oklch(40.1% 0.096 253.0);
Tailwind
colors: {
custom: {
50: '#667ba1',
500: '#1c497a',
950: '#000000',
},
}SCSS
$custom: #1c497a; $custom-light: #667ba1; $custom-dark: #000000;
JSON
{
"hex": "#1c497a",
"rgb": {
"r": 28,
"g": 73,
"b": 122
},
"hsl": {
"h": 211.277,
"s": 62.667,
"l": 29.412
},
"oklch": {
"l": 0.40074,
"c": 0.09631,
"h": 253
},
"luminance": 0.06417
}Semantic roles & 50–950 ramp
primary
#1C497A
secondary
#AE7B44
accent
#9742E6
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#07090F
muted
#7A7B7E