#33A4BB#33A4BB
#33A4BB is a light, moderate cyan. Relative luminance 0.308; OKLCH L 66.6% C 0.103 H 214.4°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).
Color values
| HEX | #33A4BB |
|---|---|
| RGB | rgb(51, 164, 187) |
| HSL | hsl(190, 57%, 47%) |
| HSV | hsv(190, 73%, 73%) |
| CMYK | cmyk(72.7%, 12.3%, 0%, 26.7%) |
| CIE-LAB | lab(62.37, -23.52, -20.92) |
| CIE-LCH | lch(62.37, 31.47, 221.65°) |
| OKLab | oklab(66.63% -0.0851 -0.0583) |
| OKLCH | oklch(66.63% 0.103 214.4) |
| XYZ | xyz(23.6065, 30.8398, 51.7126) |
| Luminance | 0.3084 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 4.64
Cadetblue
#5F9EA0
ΔE00 7.93
Greyblue
#77A1B5
ΔE00 8.82
Teal Blue
#01889F
ΔE00 9.55
Bluegrey
#85A3B2
ΔE00 11.36
Dirty Blue
#3F829D
ΔE00 11.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#33A4BB #BB4A33
analogous
#33BB8E #33A4BB #3360BB
triadic
#33A4BB #BB33A4 #A4BB33
tetradic
#33A4BB #8E33BB #BB4A33 #60BB33
square
#33A4BB #8E33BB #BB4A33 #60BB33
split-complementary
#33A4BB #BB3360 #BB8E33
monochromatic
#19505B #267A8B #33A4BB #59BDD2 #89D0DF
Accessibility & contrast
On white
2.93
#33A4BB on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.17
#33A4BB on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #33A4BB
7.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##33A4BB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##33A4BB | 1.00 | 2.93 | 7.17 | 7.17 |
| #FFFFFF | 2.93 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.17 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.17 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#949FBC
Deuteranopia (green-blind)
#8191BB
Tritanopia (blue-blind)
#00ADAB
Achromatopsia (no color)
#979797
Design tokens & code
CSS
--color: #33a4bb; /* rgb */ color: rgb(51, 164, 187); /* oklch */ color: oklch(66.6% 0.103 214.4);
Tailwind
colors: {
custom: {
50: '#7ebfcf',
500: '#33a4bb',
950: '#000000',
},
}SCSS
$custom: #33a4bb; $custom-light: #7ebfcf; $custom-dark: #000000;
JSON
{
"hex": "#33a4bb",
"rgb": {
"r": 51,
"g": 164,
"b": 187
},
"hsl": {
"h": 190.147,
"s": 57.143,
"l": 46.667
},
"oklch": {
"l": 0.66632,
"c": 0.10318,
"h": 214.4
},
"luminance": 0.30843
}Semantic roles & 50–950 ramp
primary
#33A4BB
secondary
#C98D81
accent
#6147E0
background
#F8FBFC
surface
#EFF7F9
border
#CAD0D2
text
#0B1213
muted
#7C8182