#37A4C2#37A4C2
#37A4C2 is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.0% C 0.105 H 220.1°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).
Color values
| HEX | #37A4C2 |
|---|---|
| RGB | rgb(55, 164, 194) |
| HSL | hsl(193, 56%, 49%) |
| HSV | hsv(193, 72%, 76%) |
| CMYK | cmyk(71.6%, 15.5%, 0%, 23.9%) |
| CIE-LAB | lab(62.72, -20.75, -24.29) |
| CIE-LCH | lch(62.72, 31.94, 229.50°) |
| OKLab | oklab(67.03% -0.0805 -0.0678) |
| OKLCH | oklch(67.03% 0.105 220.1) |
| XYZ | xyz(24.5846, 31.2553, 55.7657) |
| Luminance | 0.3126 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 6.40
Greyblue
#77A1B5
ΔE00 7.78
Cadetblue
#5F9EA0
ΔE00 9.88
Teal Blue
#01889F
ΔE00 10.05
Bluegrey
#85A3B2
ΔE00 10.55
Deepskyblue
#00BFFF
ΔE00 10.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37A4C2 #C25537
analogous
#37C29B #37A4C2 #375FC2
triadic
#37A4C2 #C237A4 #A4C237
tetradic
#37A4C2 #9B37C2 #C25537 #5FC237
square
#37A4C2 #9B37C2 #C25537 #5FC237
split-complementary
#37A4C2 #C2375F #C29B37
monochromatic
#1C5363 #297C92 #37A4C2 #63BBD3 #93D0E0
Accessibility & contrast
On white
2.90
#37A4C2 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.25
#37A4C2 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #37A4C2
7.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37A4C2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##37A4C2 | 1.00 | 2.90 | 7.25 | 7.25 |
| #FFFFFF | 2.90 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.25 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.25 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#92A0C4
Deuteranopia (green-blind)
#7F92C2
Tritanopia (blue-blind)
#00AEAE
Achromatopsia (no color)
#989898
Design tokens & code
CSS
--color: #37a4c2; /* rgb */ color: rgb(55, 164, 194); /* oklch */ color: oklch(67.0% 0.105 220.1);
Tailwind
colors: {
custom: {
50: '#81bfd4',
500: '#37a4c2',
950: '#000000',
},
}SCSS
$custom: #37a4c2; $custom-light: #81bfd4; $custom-dark: #000000;
JSON
{
"hex": "#37a4c2",
"rgb": {
"r": 55,
"g": 164,
"b": 194
},
"hsl": {
"h": 192.95,
"s": 55.823,
"l": 48.824
},
"oklch": {
"l": 0.67025,
"c": 0.10531,
"h": 220.1
},
"luminance": 0.31258
}Semantic roles & 50–950 ramp
primary
#37A4C2
secondary
#CB9889
accent
#6949DF
background
#F8FBFD
surface
#F0F7FA
border
#CBD0D3
text
#0C1214
muted
#7D8183