#33C0DD
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(74.8% 0.121 215.2), rgb(51, 192, 221).
Aa
Black text reads best on this color (9.72:1).
About this color
#33C0DD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.121 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.038 away. Black text reads best on it, at 9.72:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.72:1 |
| White text | 2.15:1 |
Values
| HEX | #33C0DD |
| RGB | rgb(51, 192, 221) |
| HSL | hsl(190, 71%, 53%) |
| OKLCH | oklch(74.8% 0.121 215.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #33C0DD | 2.15:1 | Fails | Lc -46.7 | Large or bold text, headings |
| Black text on #33C0DD | 9.72:1 | AAA | Lc 61.9 | Content text, not long reading |
| #33C0DD text on white | 2.15:1 | Fails | Lc 42.0 | Non-text elements, placeholder text |
| #33C0DD text on black | 9.72:1 | AAA | Lc -60.2 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#EEF7FA
oklch(97% 0.01 219.6)
-
Step 100
100
#DAEEF3
oklch(93.6% 0.022 214.4)
-
Step 200
200
#BBE1EB
oklch(88.6% 0.042 215.5)
-
Step 300
300
#86CEDF
oklch(81% 0.076 214.3)
-
Step 400
400 (this color)
#33C0DD
oklch(74.8% 0.121 215.2)
-
Step 500
500
#009AB4
oklch(63.2% 0.112 215.3)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#33C0DD with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #ACBADF | 0.108 |
| Deuteranopia (no green cones) | #95A9DD | 0.097 |
| Tritanopia (no blue cones) | #00CBC9 | 0.050 |
| Achromatopsia (no color) | #B0B0B0 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33C0DD
#33C0DD
oklch(74.8% 0.121 215.2)
- #EF9078
#EF9078
oklch(74.7% 0.121 35)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #33C0DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.038
- Dark Turquoise #00CED1 ΔE 0.049
- Bright Sky Blue #02CCFE ΔE 0.050
- Deep Sky Blue #00BFFF ΔE 0.051
- Turquoise Blue #06B1C4 ΔE 0.054
- Medium Turquoise #48D1CC ΔE 0.063
- Aqua Blue #02D8E9 ΔE 0.064
- Topaz #13BBAF ΔE 0.069
Use #33C0DD in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.