#37A2BD#37A2BD
#37A2BD is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.3% C 0.102 H 218.2°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).
Color values
| HEX | #37A2BD |
|---|---|
| RGB | rgb(55, 162, 189) |
| HSL | hsl(192, 55%, 48%) |
| HSV | hsv(192, 71%, 74%) |
| CMYK | cmyk(70.9%, 14.3%, 0%, 25.9%) |
| CIE-LAB | lab(61.93, -21.31, -22.70) |
| CIE-LCH | lch(61.93, 31.14, 226.81°) |
| OKLab | oklab(66.33% -0.0805 -0.0633) |
| OKLCH | oklch(66.33% 0.102 218.2) |
| XYZ | xyz(23.6774, 30.3243, 52.7396) |
| Luminance | 0.3033 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 6.11
Greyblue
#77A1B5
ΔE00 7.97
Cadetblue
#5F9EA0
ΔE00 8.97
Teal Blue
#01889F
ΔE00 9.24
Bluegrey
#85A3B2
ΔE00 10.71
Dirty Blue
#3F829D
ΔE00 10.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37A2BD #BD5237
analogous
#37BD95 #37A2BD #375FBD
triadic
#37A2BD #BD37A2 #A2BD37
tetradic
#37A2BD #9537BD #BD5237 #5FBD37
square
#37A2BD #9537BD #BD5237 #5FBD37
split-complementary
#37A2BD #BD375F #BD9537
monochromatic
#1B515E #29798E #37A2BD #60BAD1 #90CFDF
Accessibility & contrast
On white
2.97
#37A2BD on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.07
#37A2BD on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #37A2BD
7.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37A2BD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##37A2BD | 1.00 | 2.97 | 7.07 | 7.07 |
| #FFFFFF | 2.97 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.07 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.07 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#919DBE
Deuteranopia (green-blind)
#7E90BD
Tritanopia (blue-blind)
#00ABAB
Achromatopsia (no color)
#969696
Design tokens & code
CSS
--color: #37a2bd; /* rgb */ color: rgb(55, 162, 189); /* oklch */ color: oklch(66.3% 0.102 218.2);
Tailwind
colors: {
custom: {
50: '#80bdd1',
500: '#37a2bd',
950: '#000000',
},
}SCSS
$custom: #37a2bd; $custom-light: #80bdd1; $custom-dark: #000000;
JSON
{
"hex": "#37a2bd",
"rgb": {
"r": 55,
"g": 162,
"b": 189
},
"hsl": {
"h": 192.09,
"s": 54.918,
"l": 47.843
},
"oklch": {
"l": 0.66329,
"c": 0.10243,
"h": 218.2
},
"luminance": 0.30327
}Semantic roles & 50–950 ramp
primary
#37A2BD
secondary
#C99486
accent
#684ADE
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1214
muted
#7C8182