#33AAE3
Closest named color: Turquoise Blue (#06B1C4). oklch(69.9% 0.131 234.6), rgb(51, 170, 227).
Aa
Black text reads best on this color (7.99:1).
About this color
#33AAE3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.131 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.058 away. Black text reads best on it, at 7.99:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.99:1 |
| White text | 2.62:1 |
Values
| HEX | #33AAE3 |
| RGB | rgb(51, 170, 227) |
| HSL | hsl(199, 76%, 55%) |
| OKLCH | oklch(69.9% 0.131 234.6) |
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 #33AAE3 | 2.62:1 | Fails | Lc -55.9 | Large or bold text, headings |
| Black text on #33AAE3 | 7.99:1 | AAA | Lc 53.2 | Large or bold text, headings |
| #33AAE3 text on white | 2.62:1 | Fails | Lc 50.8 | Large or bold text, headings |
| #33AAE3 text on black | 7.99:1 | AAA | Lc -51.1 | Large or bold text, headings |
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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DBEDF8
oklch(93.6% 0.024 234.4)
-
Step 200
200
#BDDFF3
oklch(88.5% 0.045 233.8)
-
Step 300
300
#8BCAEE
oklch(80.9% 0.082 234.2)
-
Step 400
400 (this color)
#33AAE3
oklch(69.9% 0.131 234.6)
-
Step 500
500
#0095CD
oklch(63.1% 0.132 234.2)
-
Step 600
600
#007DAD
oklch(55.6% 0.117 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#004765
oklch(37.6% 0.08 234.9)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#33AAE3 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) | #8EA9E6 | 0.081 |
| Deuteranopia (no green cones) | #7798E2 | 0.068 |
| Tritanopia (no blue cones) | #00B9BD | 0.082 |
| Achromatopsia (no color) | #A0A0A0 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33AAE3
#33AAE3
oklch(69.9% 0.131 234.6)
- #DC8647
#DC8647
oklch(69.9% 0.131 54.8)
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 #33AAE3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.058
- Deep Sky Blue #00BFFF ΔE 0.061
- Chefchaouen Blue #4895EF ΔE 0.064
- Cornflower Blue #6495ED ΔE 0.068
- Dark Sky Blue #448EE4 ΔE 0.077
- Greyblue #77A1B5 ΔE 0.079
- Vivid Sky Blue #4CC9F0 ΔE 0.089
- Faded Blue #658CBB ΔE 0.090
Use #33AAE3 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.