#37A5B2#37A5B2
#37A5B2 is a light, moderate teal. Relative luminance 0.309; OKLCH L 66.6% C 0.098 H 206.4°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).
Color values
| HEX | #37A5B2 |
|---|---|
| RGB | rgb(55, 165, 178) |
| HSL | hsl(186, 53%, 46%) |
| HSV | hsv(186, 69%, 70%) |
| CMYK | cmyk(69.1%, 7.3%, 0%, 30.2%) |
| CIE-LAB | lab(62.45, -26.29, -15.74) |
| CIE-LCH | lch(62.45, 30.65, 210.91°) |
| OKLab | oklab(66.62% -0.0881 -0.0437) |
| OKLCH | oklch(66.62% 0.098 206.4) |
| XYZ | xyz(23.0631, 30.9342, 46.8663) |
| Luminance | 0.3094 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 3.96
Cadetblue
#5F9EA0
ΔE00 5.58
Sea
#3C9992
ΔE00 8.79
Lightseagreen
#20B2AA
ΔE00 9.19
Teal Blue
#01889F
ΔE00 10.43
Greyblue
#77A1B5
ΔE00 10.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37A5B2 #B24437
analogous
#37B281 #37A5B2 #3768B2
triadic
#37A5B2 #B237A5 #A5B237
tetradic
#37A5B2 #8137B2 #B24437 #68B237
square
#37A5B2 #8137B2 #B24437 #68B237
split-complementary
#37A5B2 #B23768 #B28137
monochromatic
#1A4E54 #297A83 #37A5B2 #5AC0CC #89D2DB
Accessibility & contrast
On white
2.92
#37A5B2 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.19
#37A5B2 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #37A5B2
7.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37A5B2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##37A5B2 | 1.00 | 2.92 | 7.19 | 7.19 |
| #FFFFFF | 2.92 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.19 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.19 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#979FB3
Deuteranopia (green-blind)
#8591B2
Tritanopia (blue-blind)
#00ACA9
Achromatopsia (no color)
#979797
Design tokens & code
CSS
--color: #37a5b2; /* rgb */ color: rgb(55, 165, 178); /* oklch */ color: oklch(66.6% 0.098 206.4);
Tailwind
colors: {
custom: {
50: '#7fc0c9',
500: '#37a5b2',
950: '#000000',
},
}SCSS
$custom: #37a5b2; $custom-light: #7fc0c9; $custom-dark: #000000;
JSON
{
"hex": "#37a5b2",
"rgb": {
"r": 55,
"g": 165,
"b": 178
},
"hsl": {
"h": 186.341,
"s": 52.79,
"l": 45.686
},
"oklch": {
"l": 0.66618,
"c": 0.09832,
"h": 206.4
},
"luminance": 0.30937
}Semantic roles & 50–950 ramp
primary
#37A5B2
secondary
#C58780
accent
#5B4CDC
background
#F8FBFC
surface
#EFF7F8
border
#CAD0D1
text
#0B1213
muted
#7C8182