#33AABC
Closest named color: Turquoise Blue (#06B1C4). oklch(68.1% 0.105 209.8), rgb(51, 170, 188).
Aa
Black text reads best on this color (7.61:1).
About this color
#33AABC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.105 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.021 away. Black text reads best on it, at 7.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.61:1 |
| White text | 2.75:1 |
Values
| HEX | #33AABC |
| RGB | rgb(51, 170, 188) |
| HSL | hsl(188, 57%, 47%) |
| OKLCH | oklch(68.1% 0.105 209.8) |
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 #33AABC | 2.75:1 | Fails | Lc -58.1 | Large or bold text, headings |
| Black text on #33AABC | 7.61:1 | AAA | Lc 51.1 | Large or bold text, headings |
| #33AABC text on white | 2.75:1 | Fails | Lc 52.9 | Large or bold text, headings |
| #33AABC text on black | 7.61:1 | AAA | Lc -49.0 | 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
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DCEEF1
oklch(93.7% 0.019 208.8)
-
Step 200
200
#BFE0E6
oklch(88.5% 0.036 209.8)
-
Step 300
300
#8ECDD8
oklch(81% 0.066 209.6)
-
Step 400
400 (this color)
#33AABC
oklch(68.1% 0.105 209.8)
-
Step 500
500
#009BAD
oklch(63.1% 0.109 209.2)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#33AABC 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) | #9AA4BD | 0.098 |
| Deuteranopia (no green cones) | #8796BC | 0.089 |
| Tritanopia (no blue cones) | #00B2AF | 0.037 |
| Achromatopsia (no color) | #9C9C9C | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33AABC
#33AABC
oklch(68.1% 0.105 209.8)
- #D17F72
#D17F72
oklch(68.1% 0.104 29.7)
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 #33AABC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.021
- Light Sea Green #20B2AA ΔE 0.042
- Cadet Blue #5F9EA0 ΔE 0.049
- Greyblue #77A1B5 ΔE 0.056
- Topaz #13BBAF ΔE 0.059
- Dull Teal #5F9E8F ΔE 0.066
- Sea #3C9992 ΔE 0.068
- Persian Green #2A9D8F ΔE 0.070
Use #33AABC 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.