#33A0BB#33A0BB
#33A0BB is a light, moderate cyan. Relative luminance 0.294; OKLCH L 65.7% C 0.103 H 218.1°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).
Color values
| HEX | #33A0BB |
|---|---|
| RGB | rgb(51, 160, 187) |
| HSL | hsl(192, 57%, 47%) |
| HSV | hsv(192, 73%, 73%) |
| CMYK | cmyk(72.7%, 14.4%, 0%, 26.7%) |
| CIE-LAB | lab(61.16, -21.45, -22.77) |
| CIE-LCH | lch(61.16, 31.28, 226.71°) |
| OKLab | oklab(65.66% -0.0811 -0.0636) |
| OKLCH | oklch(65.66% 0.103 218.1) |
| XYZ | xyz(22.9019, 29.4306, 51.4777) |
| Luminance | 0.2943 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 6.47
Greyblue
#77A1B5
ΔE00 8.20
Teal Blue
#01889F
ΔE00 8.58
Cadetblue
#5F9EA0
ΔE00 8.96
Dirty Blue
#3F829D
ΔE00 10.42
Bluegrey
#85A3B2
ΔE00 10.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#33A0BB #BB4E33
analogous
#33BB92 #33A0BB #335CBB
triadic
#33A0BB #BB33A0 #A0BB33
tetradic
#33A0BB #9233BB #BB4E33 #5CBB33
square
#33A0BB #9233BB #BB4E33 #5CBB33
split-complementary
#33A0BB #BB335C #BB9233
monochromatic
#194E5B #26778B #33A0BB #59BAD2 #89CEDF
Accessibility & contrast
On white
3.05
#33A0BB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.89
#33A0BB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #33A0BB
6.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##33A0BB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##33A0BB | 1.00 | 3.05 | 6.89 | 6.89 |
| #FFFFFF | 3.05 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.89 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.89 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8F9BBC
Deuteranopia (green-blind)
#7C8EBB
Tritanopia (blue-blind)
#00A9A9
Achromatopsia (no color)
#949494
Design tokens & code
CSS
--color: #33a0bb; /* rgb */ color: rgb(51, 160, 187); /* oklch */ color: oklch(65.7% 0.103 218.1);
Tailwind
colors: {
custom: {
50: '#7ebccf',
500: '#33a0bb',
950: '#000000',
},
}SCSS
$custom: #33a0bb; $custom-light: #7ebccf; $custom-dark: #000000;
JSON
{
"hex": "#33a0bb",
"rgb": {
"r": 51,
"g": 160,
"b": 187
},
"hsl": {
"h": 191.912,
"s": 57.143,
"l": 46.667
},
"oklch": {
"l": 0.65656,
"c": 0.10307,
"h": 218.1
},
"luminance": 0.29433
}Semantic roles & 50–950 ramp
primary
#33A0BB
secondary
#C98F81
accent
#6647E0
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1213
muted
#7C8182