#37A2BA#37A2BA
#37A2BA is a light, moderate cyan. Relative luminance 0.302; OKLCH L 66.2% C 0.101 H 215.9°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).
Color values
| HEX | #37A2BA |
|---|---|
| RGB | rgb(55, 162, 186) |
| HSL | hsl(191, 54%, 47%) |
| HSV | hsv(191, 70%, 73%) |
| CMYK | cmyk(70.4%, 12.9%, 0%, 27.1%) |
| CIE-LAB | lab(61.82, -22.27, -21.19) |
| CIE-LCH | lch(61.82, 30.74, 223.58°) |
| OKLab | oklab(66.2% -0.0817 -0.059) |
| OKLCH | oklch(66.2% 0.101 215.9) |
| XYZ | xyz(23.3551, 30.1954, 51.0423) |
| Luminance | 0.3020 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 5.48
Cadetblue
#5F9EA0
ΔE00 8.10
Greyblue
#77A1B5
ΔE00 8.35
Teal Blue
#01889F
ΔE00 9.07
Bluegrey
#85A3B2
ΔE00 10.98
Dirty Blue
#3F829D
ΔE00 11.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37A2BA #BA4F37
analogous
#37BA90 #37A2BA #3761BA
triadic
#37A2BA #BA37A2 #A2BA37
tetradic
#37A2BA #9037BA #BA4F37 #61BA37
square
#37A2BA #9037BA #BA4F37 #61BA37
split-complementary
#37A2BA #BA3761 #BA9037
monochromatic
#1B505C #29798B #37A2BA #5FBBD0 #8ECFDE
Accessibility & contrast
On white
2.98
#37A2BA on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.04
#37A2BA on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #37A2BA
7.04:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37A2BA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##37A2BA | 1.00 | 2.98 | 7.04 | 7.04 |
| #FFFFFF | 2.98 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.04 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.04 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#929DBB
Deuteranopia (green-blind)
#7F90BA
Tritanopia (blue-blind)
#00ABA9
Achromatopsia (no color)
#959595
Design tokens & code
CSS
--color: #37a2ba; /* rgb */ color: rgb(55, 162, 186); /* oklch */ color: oklch(66.2% 0.101 215.9);
Tailwind
colors: {
custom: {
50: '#7fbdce',
500: '#37a2ba',
950: '#000000',
},
}SCSS
$custom: #37a2ba; $custom-light: #7fbdce; $custom-dark: #000000;
JSON
{
"hex": "#37a2ba",
"rgb": {
"r": 55,
"g": 162,
"b": 186
},
"hsl": {
"h": 190.992,
"s": 54.357,
"l": 47.255
},
"oklch": {
"l": 0.66204,
"c": 0.1008,
"h": 215.9
},
"luminance": 0.30198
}Semantic roles & 50–950 ramp
primary
#37A2BA
secondary
#C89185
accent
#654ADE
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1213
muted
#7C8182