#33DBFE
Closest named color: Aqua Blue (#02D8E9). oklch(82.5% 0.137 216), rgb(51, 219, 254).
Aa
Black text reads best on this color (12.70:1).
About this color
#33DBFE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.137 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Blue (#02D8E9), ΔE 0.033 away. Black text reads best on it, at 12.70:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 12.70:1 |
| White text | 1.65:1 |
Values
| HEX | #33DBFE |
| RGB | rgb(51, 219, 254) |
| HSL | hsl(190, 99%, 60%) |
| OKLCH | oklch(82.5% 0.137 216) |
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 #33DBFE | 1.65:1 | Fails | Lc -32.0 | Non-text elements, placeholder text |
| Black text on #33DBFE | 12.70:1 | AAA | Lc 75.4 | Fine for body text |
| #33DBFE text on white | 1.65:1 | Fails | Lc 28.4 | Dividers and decoration only |
| #33DBFE text on black | 12.70:1 | AAA | Lc -74.5 | 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 300.
-
Step 50
50
#E9F9FD
oklch(97.1% 0.018 214.4)
-
Step 100
100
#CDF1FB
oklch(93.6% 0.04 216.4)
-
Step 200
200
#9EE6F9
oklch(88.4% 0.076 216.1)
-
Step 300
300 (this color)
#33DBFE
oklch(82.5% 0.137 216)
-
Step 400
400
#00B3D2
oklch(70.6% 0.125 216)
-
Step 500
500
#009AB5
oklch(63.2% 0.112 216)
-
Step 600
600
#008198
oklch(55.6% 0.099 216.1)
-
Step 700
700
#006C80
oklch(49% 0.087 216.4)
-
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)
#33DBFE 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) | #C3D4FF | 0.120 |
| Deuteranopia (no green cones) | #A9C1FE | 0.108 |
| Tritanopia (no blue cones) | #00E8E6 | 0.058 |
| Achromatopsia (no color) | #C9C9C9 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33DBFE
#33DBFE
oklch(82.5% 0.137 216)
- #FFAF98
#FFAF98
oklch(82.5% 0.1 36.7)
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 #33DBFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Blue #02D8E9 ΔE 0.033
- Bright Sky Blue #02CCFE ΔE 0.045
- Vivid Sky Blue #4CC9F0 ΔE 0.047
- Sky Blue #87CEEB ΔE 0.059
- Light Sky Blue #87CEFA ΔE 0.059
- Lightblue #7BC8F6 ΔE 0.060
- Sky #82CAFC ΔE 0.062
- Robin's Egg #6DEDFD ΔE 0.063
Use #33DBFE 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.