#37A4C1#37A4C1
#37A4C1 is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.0% C 0.105 H 219.4°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).
Color values
| HEX | #37A4C1 |
|---|---|
| RGB | rgb(55, 164, 193) |
| HSL | hsl(193, 56%, 49%) |
| HSV | hsv(193, 72%, 76%) |
| CMYK | cmyk(71.5%, 15%, 0%, 24.3%) |
| CIE-LAB | lab(62.69, -21.07, -23.79) |
| CIE-LCH | lch(62.69, 31.78, 228.47°) |
| OKLab | oklab(66.98% -0.0809 -0.0664) |
| OKLCH | oklch(66.98% 0.105 219.4) |
| XYZ | xyz(24.4726, 31.2106, 55.1762) |
| Luminance | 0.3121 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 6.14
Greyblue
#77A1B5
ΔE00 7.86
Cadetblue
#5F9EA0
ΔE00 9.60
Teal Blue
#01889F
ΔE00 9.95
Bluegrey
#85A3B2
ΔE00 10.60
Deepskyblue
#00BFFF
ΔE00 11.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37A4C1 #C15437
analogous
#37C199 #37A4C1 #375FC1
triadic
#37A4C1 #C137A4 #A4C137
tetradic
#37A4C1 #9937C1 #C15437 #5FC137
square
#37A4C1 #9937C1 #C15437 #5FC137
split-complementary
#37A4C1 #C1375F #C19937
monochromatic
#1C5362 #297C91 #37A4C1 #63BBD2 #92D0E0
Accessibility & contrast
On white
2.90
#37A4C1 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.24
#37A4C1 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #37A4C1
7.24:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37A4C1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##37A4C1 | 1.00 | 2.90 | 7.24 | 7.24 |
| #FFFFFF | 2.90 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.24 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.24 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#92A0C3
Deuteranopia (green-blind)
#7F92C1
Tritanopia (blue-blind)
#00AEAD
Achromatopsia (no color)
#989898
Design tokens & code
CSS
--color: #37a4c1; /* rgb */ color: rgb(55, 164, 193); /* oklch */ color: oklch(67.0% 0.105 219.4);
Tailwind
colors: {
custom: {
50: '#80bfd3',
500: '#37a4c1',
950: '#000000',
},
}SCSS
$custom: #37a4c1; $custom-light: #80bfd3; $custom-dark: #000000;
JSON
{
"hex": "#37a4c1",
"rgb": {
"r": 55,
"g": 164,
"b": 193
},
"hsl": {
"h": 192.609,
"s": 55.645,
"l": 48.627
},
"oklch": {
"l": 0.66983,
"c": 0.1047,
"h": 219.4
},
"luminance": 0.31213
}Semantic roles & 50–950 ramp
primary
#37A4C1
secondary
#CB9789
accent
#6849DF
background
#F8FBFC
surface
#F0F7F9
border
#CBD0D2
text
#0C1214
muted
#7D8182