#1C607B#1C607B
#1C607B is a mid, moderate cyan. Relative luminance 0.100; OKLCH L 46.0% C 0.079 H 229.0°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).
Color values
| HEX | #1C607B |
|---|---|
| RGB | rgb(28, 96, 123) |
| HSL | hsl(197, 63%, 30%) |
| HSV | hsv(197, 77%, 48%) |
| CMYK | cmyk(77.2%, 22%, 0%, 51.8%) |
| CIE-LAB | lab(37.92, -11.15, -21.18) |
| CIE-LCH | lch(37.92, 23.94, 242.24°) |
| OKLab | oklab(46% -0.0516 -0.0595) |
| OKLCH | oklch(46% 0.079 229) |
| XYZ | xyz(8.2355, 10.0417, 20.2393) |
| Luminance | 0.1004 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ugly Blue
#31668A
ΔE00 5.37
Peacock Blue
#016795
ΔE00 5.86
Sea Blue
#047495
ΔE00 7.14
Ocean Blue (survey)
#03719C
ΔE00 7.23
Deep Sea Blue
#015482
ΔE00 7.55
Petrol
#005F6A
ΔE00 8.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C607B #7B371C
analogous
#1C7B67 #1C607B #1C307B
triadic
#1C607B #7B1C60 #607B1C
tetradic
#1C607B #671C7B #7B371C #307B1C
square
#1C607B #671C7B #7B371C #307B1C
split-complementary
#1C607B #7B1C30 #7B671C
monochromatic
#061319 #113949 #1C607B #2787AD #3EA9D3
Accessibility & contrast
On white
6.98
#1C607B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.01
#1C607B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1C607B
6.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C607B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C607B | 1.00 | 6.98 | 3.01 | 6.98 |
| #FFFFFF | 6.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.01 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#525E7C
Deuteranopia (green-blind)
#45557B
Tritanopia (blue-blind)
#006869
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #1c607b; /* rgb */ color: rgb(28, 96, 123); /* oklch */ color: oklch(46.0% 0.079 229.0);
Tailwind
colors: {
custom: {
50: '#678da1',
500: '#1c607b',
950: '#000000',
},
}SCSS
$custom: #1c607b; $custom-light: #678da1; $custom-dark: #000000;
JSON
{
"hex": "#1c607b",
"rgb": {
"r": 28,
"g": 96,
"b": 123
},
"hsl": {
"h": 197.053,
"s": 62.914,
"l": 29.608
},
"oklch": {
"l": 0.46004,
"c": 0.07876,
"h": 229
},
"luminance": 0.10043
}Semantic roles & 50–950 ramp
primary
#1C607B
secondary
#AF6244
accent
#7042E6
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070C0F
muted
#7A7D7E