#37A7C2#37A7C2
#37A7C2 is a light, moderate cyan. Relative luminance 0.323; OKLCH L 67.8% C 0.105 H 217.4°. Best body text is #000000 at 7.47:1 contrast (WCAG AA passes).
Color values
| HEX | #37A7C2 |
|---|---|
| RGB | rgb(55, 167, 194) |
| HSL | hsl(192, 56%, 49%) |
| HSV | hsv(192, 72%, 76%) |
| CMYK | cmyk(71.6%, 13.9%, 0%, 23.9%) |
| CIE-LAB | lab(63.62, -22.30, -22.91) |
| CIE-LCH | lch(63.62, 31.97, 225.76°) |
| OKLab | oklab(67.75% -0.0835 -0.0639) |
| OKLCH | oklch(67.75% 0.105 217.4) |
| XYZ | xyz(25.1278, 32.3418, 55.9468) |
| Luminance | 0.3235 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 5.02
Greyblue
#77A1B5
ΔE00 8.23
Cadetblue
#5F9EA0
ΔE00 9.17
Teal Blue
#01889F
ΔE00 10.63
Bluegrey
#85A3B2
ΔE00 10.83
Bright Sky Blue
#02CCFE
ΔE00 11.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37A7C2 #C25237
analogous
#37C298 #37A7C2 #3762C2
triadic
#37A7C2 #C237A7 #A7C237
tetradic
#37A7C2 #9837C2 #C25237 #62C237
square
#37A7C2 #9837C2 #C25237 #62C237
split-complementary
#37A7C2 #C23762 #C29837
monochromatic
#1C5563 #297E92 #37A7C2 #63BDD3 #93D1E0
Accessibility & contrast
On white
2.81
#37A7C2 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.47
#37A7C2 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #37A7C2
7.47:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37A7C2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##37A7C2 | 1.00 | 2.81 | 7.47 | 7.47 |
| #FFFFFF | 2.81 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.47 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.47 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#95A2C3
Deuteranopia (green-blind)
#8294C2
Tritanopia (blue-blind)
#00B0AF
Achromatopsia (no color)
#9A9A9A
Design tokens & code
CSS
--color: #37a7c2; /* rgb */ color: rgb(55, 167, 194); /* oklch */ color: oklch(67.8% 0.105 217.4);
Tailwind
colors: {
custom: {
50: '#81c1d4',
500: '#37a7c2',
950: '#000000',
},
}SCSS
$custom: #37a7c2; $custom-light: #81c1d4; $custom-dark: #000000;
JSON
{
"hex": "#37a7c2",
"rgb": {
"r": 55,
"g": 167,
"b": 194
},
"hsl": {
"h": 191.655,
"s": 55.823,
"l": 48.824
},
"oklch": {
"l": 0.6775,
"c": 0.10518,
"h": 217.4
},
"luminance": 0.32345
}Semantic roles & 50–950 ramp
primary
#37A7C2
secondary
#CB9689
accent
#6649DF
background
#F8FBFD
surface
#F0F7FA
border
#CBD0D3
text
#0C1214
muted
#7D8183