#33ABB5
Closest named color: Turquoise Blue (#06B1C4). oklch(68.1% 0.103 203.3), rgb(51, 171, 181).
Aa
Black text reads best on this color (7.63:1).
About this color
#33ABB5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.103 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.024 away. Black text reads best on it, at 7.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.63:1 |
| White text | 2.75:1 |
Values
| HEX | #33ABB5 |
| RGB | rgb(51, 171, 181) |
| HSL | hsl(185, 56%, 45%) |
| OKLCH | oklch(68.1% 0.103 203.3) |
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 #33ABB5 | 2.75:1 | Fails | Lc -58.0 | Large or bold text, headings |
| Black text on #33ABB5 | 7.63:1 | AAA | Lc 51.2 | Large or bold text, headings |
| #33ABB5 text on white | 2.75:1 | Fails | Lc 52.8 | Large or bold text, headings |
| #33ABB5 text on black | 7.63:1 | AAA | Lc -49.1 | 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
#EFF7F8
oklch(97% 0.009 205.9)
-
Step 100
100
#DCEEEF
oklch(93.6% 0.019 200.9)
-
Step 200
200
#BFE1E4
oklch(88.6% 0.036 203.1)
-
Step 300
300
#8ECDD3
oklch(80.8% 0.065 203.5)
-
Step 400
400 (this color)
#33ABB5
oklch(68.1% 0.103 203.3)
-
Step 500
500
#009CA6
oklch(63.1% 0.107 202.8)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#33ABB5 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) | #9DA4B6 | 0.102 |
| Deuteranopia (no green cones) | #8B96B5 | 0.095 |
| Tritanopia (no blue cones) | #00B2AE | 0.028 |
| Achromatopsia (no color) | #9C9C9C | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33ABB5
#33ABB5
oklch(68.1% 0.103 203.3)
- #D17E7A
#D17E7A
oklch(68.1% 0.104 23.1)
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 #33ABB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.024
- Light Sea Green #20B2AA ΔE 0.031
- Cadet Blue #5F9EA0 ΔE 0.045
- Topaz #13BBAF ΔE 0.050
- Dull Teal #5F9E8F ΔE 0.059
- Greyblue #77A1B5 ΔE 0.059
- Greeny Blue #42B395 ΔE 0.060
- Persian Green #2A9D8F ΔE 0.062
Use #33ABB5 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.