#3F8A82
Closest named color: Dusty Teal (#4C9085). oklch(58.4% 0.076 186), rgb(63, 138, 130).
Aa
Black text reads best on this color (5.16:1).
About this color
#3F8A82 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.076 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.023 away. Black text reads best on it, at 5.16:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.16:1 |
| White text | 4.06:1 |
Values
| HEX | #3F8A82 |
| RGB | rgb(63, 138, 130) |
| HSL | hsl(174, 37%, 39%) |
| OKLCH | oklch(58.4% 0.076 186) |
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 #3F8A82 | 4.06:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #3F8A82 | 5.16:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #3F8A82 text on white | 4.06:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #3F8A82 text on black | 5.16:1 | AA | Lc -34.0 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CCDDDB
oklch(88.4% 0.018 188.3)
-
Step 300
300
#A9C8C4
oklch(80.9% 0.034 187)
-
Step 400
400
#7AACA6
oklch(70.7% 0.054 186.7)
-
Step 500
500
#559790
oklch(63% 0.069 186.8)
-
Step 600
600 (this color)
#3F8A82
oklch(58.4% 0.076 186)
-
Step 700
700
#276E67
oklch(49.2% 0.071 186.1)
-
Step 800
800
#235954
oklch(42.6% 0.058 187)
-
Step 900
900
#224945
oklch(37.6% 0.045 186.7)
-
Step 950
950
#152B28
oklch(27% 0.029 184.5)
#3F8A82 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) | #848382 | 0.081 |
| Deuteranopia (no green cones) | #777A83 | 0.076 |
| Tritanopia (no blue cones) | #0A8D87 | 0.024 |
| Achromatopsia (no color) | #7E7E7E | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F8A82
#3F8A82
oklch(58.4% 0.076 186)
- #A26874
#A26874
oklch(58.3% 0.076 6.2)
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 #3F8A82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.023
- Dark Cyan #008B8B ΔE 0.027
- Teal Green #0A9396 ΔE 0.036
- Sea #3C9992 ΔE 0.044
- Teal #008080 ΔE 0.046
- Blue Green #0F9B8E ΔE 0.049
- Slate Green #658D6D ΔE 0.049
- Teal Blue #01889F ΔE 0.052
Use #3F8A82 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.