#39A3CF
Closest named color: Turquoise Blue (#06B1C4). oklch(67.4% 0.114 229.8), rgb(57, 163, 207).
Aa
Black text reads best on this color (7.31:1).
About this color
#39A3CF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.114 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.049 away. Black text reads best on it, at 7.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.31:1 |
| White text | 2.87:1 |
Values
| HEX | #39A3CF |
| RGB | rgb(57, 163, 207) |
| HSL | hsl(198, 61%, 52%) |
| OKLCH | oklch(67.4% 0.114 229.8) |
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 #39A3CF | 2.87:1 | Fails | Lc -59.9 | Large or bold text, headings |
| Black text on #39A3CF | 7.31:1 | AAA | Lc 49.5 | Large or bold text, headings |
| #39A3CF text on white | 2.87:1 | Fails | Lc 54.6 | Large or bold text, headings |
| #39A3CF text on black | 7.31:1 | AAA | Lc -47.2 | 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 400.
-
Step 50
50
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DDEDF5
oklch(93.7% 0.02 229)
-
Step 200
200
#BFDFEF
oklch(88.5% 0.04 229.4)
-
Step 300
300
#90CAE6
oklch(80.9% 0.072 229.5)
-
Step 400
400 (this color)
#39A3CF
oklch(67.4% 0.114 229.8)
-
Step 500
500
#0096C6
oklch(63% 0.126 229.9)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#39A3CF 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) | #8CA1D1 | 0.079 |
| Deuteranopia (no green cones) | #7892CE | 0.068 |
| Tritanopia (no blue cones) | #00AFB2 | 0.066 |
| Achromatopsia (no color) | #989898 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39A3CF
#39A3CF
oklch(67.4% 0.114 229.8)
- #CF8053
#CF8053
oklch(67.4% 0.115 49.6)
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 #39A3CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.049
- Greyblue #77A1B5 ΔE 0.061
- Faded Blue #658CBB ΔE 0.067
- Chefchaouen Blue #4895EF ΔE 0.070
- Cadet Blue #5F9EA0 ΔE 0.070
- Dark Sky Blue #448EE4 ΔE 0.073
- Cornflower Blue #6495ED ΔE 0.074
- Bluegrey #85A3B2 ΔE 0.078
Use #39A3CF 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.