#1C738C#1C738C
#1C738C is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 51.8% C 0.087 H 222.1°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).
Color values
| HEX | #1C738C |
|---|---|
| RGB | rgb(28, 115, 140) |
| HSL | hsl(193, 67%, 33%) |
| HSV | hsv(193, 80%, 55%) |
| CMYK | cmyk(80%, 17.9%, 0%, 45.1%) |
| CIE-LAB | lab(44.80, -15.92, -20.80) |
| CIE-LCH | lch(44.80, 26.19, 232.57°) |
| OKLab | oklab(51.76% -0.0645 -0.0583) |
| OKLCH | oklch(51.76% 0.087 222.1) |
| XYZ | xyz(11.3413, 14.4004, 26.9877) |
| Luminance | 0.1440 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sea Blue
#047495
ΔE00 2.55
Ocean
#017B92
ΔE00 3.44
Ocean Blue (survey)
#03719C
ΔE00 6.00
Cerulean
#007BA7
ΔE00 6.49
Dirty Blue
#3F829D
ΔE00 6.62
Teal Blue
#01889F
ΔE00 7.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C738C #8C351C
analogous
#1C8C6D #1C738C #1C3B8C
triadic
#1C738C #8C1C73 #738C1C
tetradic
#1C738C #6D1C8C #8C351C #3B8C1C
square
#1C738C #6D1C8C #8C351C #3B8C1C
split-complementary
#1C738C #8C1C3B #8C6D1C
monochromatic
#081F26 #124959 #1C738C #269DBF #48BADA
Accessibility & contrast
On white
5.41
#1C738C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.88
#1C738C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1C738C
5.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C738C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C738C | 1.00 | 5.41 | 3.88 | 5.41 |
| #FFFFFF | 5.41 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.88 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.41 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#64708D
Deuteranopia (green-blind)
#56658C
Tritanopia (blue-blind)
#007B7B
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #1c738c; /* rgb */ color: rgb(28, 115, 140); /* oklch */ color: oklch(51.8% 0.087 222.1);
Tailwind
colors: {
custom: {
50: '#6c9bad',
500: '#1c738c',
950: '#000000',
},
}SCSS
$custom: #1c738c; $custom-light: #6c9bad; $custom-dark: #000000;
JSON
{
"hex": "#1c738c",
"rgb": {
"r": 28,
"g": 115,
"b": 140
},
"hsl": {
"h": 193.393,
"s": 66.667,
"l": 32.941
},
"oklch": {
"l": 0.51762,
"c": 0.08694,
"h": 222.1
},
"luminance": 0.14402
}Semantic roles & 50–950 ramp
primary
#1C738C
secondary
#BC6248
accent
#643EEA
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F