#33A3AA
Closest named color: Cadet Blue (#5F9EA0). oklch(65.7% 0.098 201.2), rgb(51, 163, 170).
Aa
Black text reads best on this color (6.96:1).
About this color
#33A3AA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.098 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.033 away. Black text reads best on it, at 6.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.96:1 |
| White text | 3.01:1 |
Values
| HEX | #33A3AA |
| RGB | rgb(51, 163, 170) |
| HSL | hsl(184, 54%, 43%) |
| OKLCH | oklch(65.7% 0.098 201.2) |
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 #33A3AA | 3.01:1 | AA large text | Lc -61.9 | Content text, not long reading |
| Black text on #33A3AA | 6.96:1 | AA | Lc 47.5 | Large or bold text, headings |
| #33A3AA text on white | 3.01:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #33A3AA text on black | 6.96:1 | AA | Lc -45.2 | 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 500.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C6DFE0
oklch(88.6% 0.027 199.6)
-
Step 300
300
#9DCACD
oklch(80.8% 0.047 201.3)
-
Step 400
400
#62AFB4
oklch(70.6% 0.077 201)
-
Step 500
500 (this color)
#33A3AA
oklch(65.7% 0.098 201.2)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006E74
oklch(49% 0.083 201.4)
-
Step 800
800
#005A5F
oklch(42.5% 0.072 201.4)
-
Step 900
900
#014B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#072C2F
oklch(26.9% 0.041 202.9)
#33A3AA 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) | #979CAB | 0.099 |
| Deuteranopia (no green cones) | #858FAB | 0.092 |
| Tritanopia (no blue cones) | #00A9A5 | 0.025 |
| Achromatopsia (no color) | #949494 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33A3AA
#33A3AA
oklch(65.7% 0.098 201.2)
- #C67877
#C67877
oklch(65.6% 0.098 20.9)
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 #33A3AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.033
- Sea #3C9992 ΔE 0.039
- Persian Green #2A9D8F ΔE 0.041
- Light Sea Green #20B2AA ΔE 0.044
- Dull Teal #5F9E8F ΔE 0.045
- Turquoise Blue #06B1C4 ΔE 0.046
- Blue Green #0F9B8E ΔE 0.048
- Grey Teal #5E9B8A ΔE 0.050
Use #33A3AA 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.