#39ACBC
Closest named color: Turquoise Blue (#06B1C4). oklch(68.8% 0.102 208.4), rgb(57, 172, 188).
Aa
Black text reads best on this color (7.80:1).
About this color
#39ACBC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.102 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.019 away. Black text reads best on it, at 7.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.80:1 |
| White text | 2.69:1 |
Values
| HEX | #39ACBC |
| RGB | rgb(57, 172, 188) |
| HSL | hsl(187, 53%, 48%) |
| OKLCH | oklch(68.8% 0.102 208.4) |
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 #39ACBC | 2.69:1 | Fails | Lc -57.1 | Large or bold text, headings |
| Black text on #39ACBC | 7.80:1 | AAA | Lc 52.1 | Large or bold text, headings |
| #39ACBC text on white | 2.69:1 | Fails | Lc 51.9 | Large or bold text, headings |
| #39ACBC text on black | 7.80:1 | AAA | Lc -50.0 | 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
#EFF7F8
oklch(97% 0.009 205.9)
-
Step 100
100
#DDEEF0
oklch(93.7% 0.018 205.3)
-
Step 200
200
#BFE0E6
oklch(88.5% 0.036 209.8)
-
Step 300
300
#8FCDD6
oklch(80.9% 0.064 207.3)
-
Step 400
400 (this color)
#39ACBC
oklch(68.8% 0.102 208.4)
-
Step 500
500
#009BAC
oklch(63.1% 0.109 208.4)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C32
oklch(26.8% 0.046 208.8)
#39ACBC 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) | #9DA6BD | 0.098 |
| Deuteranopia (no green cones) | #8A98BC | 0.089 |
| Tritanopia (no blue cones) | #00B4B1 | 0.036 |
| Achromatopsia (no color) | #9E9E9E | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39ACBC
#39ACBC
oklch(68.8% 0.102 208.4)
- #D38276
#D38276
oklch(68.9% 0.103 29)
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 #39ACBC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.019
- Light Sea Green #20B2AA ΔE 0.039
- Cadet Blue #5F9EA0 ΔE 0.050
- Topaz #13BBAF ΔE 0.054
- Greyblue #77A1B5 ΔE 0.055
- Dull Teal #5F9E8F ΔE 0.067
- Greeny Blue #42B395 ΔE 0.067
- Bluegrey #85A3B2 ΔE 0.068
Use #39ACBC 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.