#39B0B6
Closest named color: Turquoise Blue (#06B1C4). oklch(69.5% 0.103 200), rgb(57, 176, 182).
Aa
Black text reads best on this color (8.05:1).
About this color
#39B0B6 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.103 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.023 away. Black text reads best on it, at 8.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.05:1 |
| White text | 2.60:1 |
Values
| HEX | #39B0B6 |
| RGB | rgb(57, 176, 182) |
| HSL | hsl(183, 52%, 47%) |
| OKLCH | oklch(69.5% 0.103 200) |
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 #39B0B6 | 2.60:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #39B0B6 | 8.05:1 | AAA | Lc 53.5 | Large or bold text, headings |
| #39B0B6 text on white | 2.60:1 | Fails | Lc 50.5 | Large or bold text, headings |
| #39B0B6 text on black | 8.05:1 | AAA | Lc -51.4 | 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
#BFE1E2
oklch(88.6% 0.036 198.7)
-
Step 300
300
#8FCED1
oklch(81% 0.064 199.7)
-
Step 400
400 (this color)
#39B0B6
oklch(69.5% 0.103 200)
-
Step 500
500
#009CA3
oklch(63% 0.107 200.4)
-
Step 600
600
#008489
oklch(55.7% 0.095 199.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004C4F
oklch(37.8% 0.064 199.4)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#39B0B6 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) | #A3A8B7 | 0.105 |
| Deuteranopia (no green cones) | #919BB7 | 0.097 |
| Tritanopia (no blue cones) | #00B6B2 | 0.024 |
| Achromatopsia (no color) | #A0A0A0 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39B0B6
#39B0B6
oklch(69.5% 0.103 200)
- #D58282
#D58282
oklch(69.4% 0.103 20)
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 #39B0B6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.023
- Light Sea Green #20B2AA ΔE 0.024
- Topaz #13BBAF ΔE 0.038
- Greeny Blue #42B395 ΔE 0.052
- Cadet Blue #5F9EA0 ΔE 0.053
- Greyblue #77A1B5 ΔE 0.062
- Dull Teal #5F9E8F ΔE 0.064
- Bluegrey #85A3B2 ΔE 0.071
Use #39B0B6 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.