#1C7DB4#1C7DB4
#1C7DB4 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.3% C 0.120 H 240.1°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).
Color values
| HEX | #1C7DB4 |
|---|---|
| RGB | rgb(28, 125, 180) |
| HSL | hsl(202, 73%, 41%) |
| HSV | hsv(202, 84%, 71%) |
| CMYK | cmyk(84.4%, 30.6%, 0%, 29.4%) |
| CIE-LAB | lab(49.75, -7.04, -36.54) |
| CIE-LCH | lch(49.75, 37.21, 259.09°) |
| OKLab | oklab(56.31% -0.0596 -0.1036) |
| OKLCH | oklch(56.31% 0.12 240.1) |
| XYZ | xyz(16.0474, 18.2074, 45.8398) |
| Luminance | 0.1821 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Nice Blue
#107AB0
ΔE00 1.33
Cerulean
#007BA7
ΔE00 3.86
Steel Blue
#4682B4
ΔE00 4.08
Water Blue
#0E87CC
ΔE00 4.40
Cerulean (survey)
#0485D1
ΔE00 4.52
Bluish
#2976BB
ΔE00 4.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C7DB4 #B4531C
analogous
#1CB49F #1C7DB4 #1C31B4
triadic
#1C7DB4 #B41C7D #7DB41C
tetradic
#1C7DB4 #9F1CB4 #B4531C #31B41C
square
#1C7DB4 #9F1CB4 #B4531C #31B41C
split-complementary
#1C7DB4 #B41C31 #B49F1C
monochromatic
#0C334A #14587F #1C7DB4 #2F9FDF #64B7E7
Accessibility & contrast
On white
4.52
#1C7DB4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.64
#1C7DB4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1C7DB4
4.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C7DB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1C7DB4 | 1.00 | 4.52 | 4.64 | 4.64 |
| #FFFFFF | 4.52 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.64 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.64 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#637EB6
Deuteranopia (green-blind)
#4E70B3
Tritanopia (blue-blind)
#008B90
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #1c7db4; /* rgb */ color: rgb(28, 125, 180); /* oklch */ color: oklch(56.3% 0.120 240.1);
Tailwind
colors: {
custom: {
50: '#74a2ca',
500: '#1c7db4',
950: '#000000',
},
}SCSS
$custom: #1c7db4; $custom-light: #74a2ca; $custom-dark: #000000;
JSON
{
"hex": "#1c7db4",
"rgb": {
"r": 28,
"g": 125,
"b": 180
},
"hsl": {
"h": 201.711,
"s": 73.077,
"l": 40.784
},
"oklch": {
"l": 0.56306,
"c": 0.11955,
"h": 240.1
},
"luminance": 0.18209
}Semantic roles & 50–950 ramp
primary
#1C7DB4
secondary
#CC8760
accent
#7B38F0
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0F13
muted
#7C7E82