#428F86
Closest named color: Dusty Teal (#4C9085). oklch(59.9% 0.077 185.2), rgb(66, 143, 134).
Aa
Black text reads best on this color (5.50:1).
About this color
#428F86 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.077 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.010 away. Black text reads best on it, at 5.50:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.50:1 |
| White text | 3.81:1 |
Values
| HEX | #428F86 |
| RGB | rgb(66, 143, 134) |
| HSL | hsl(173, 37%, 41%) |
| OKLCH | oklch(59.9% 0.077 185.2) |
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 #428F86 | 3.81:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #428F86 | 5.50:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #428F86 text on white | 3.81:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #428F86 text on black | 5.50:1 | AA | Lc -36.2 | 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 500.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A6C9C4
oklch(80.9% 0.038 185.9)
-
Step 400
400
#74ADA6
oklch(70.6% 0.061 186.2)
-
Step 500
500 (this color)
#428F86
oklch(59.9% 0.077 185.2)
-
Step 600
600
#2A837A
oklch(55.6% 0.084 185.5)
-
Step 700
700
#1A6F67
oklch(49.1% 0.078 185.6)
-
Step 800
800
#1A5A54
oklch(42.6% 0.064 186.2)
-
Step 900
900
#1D4A45
oklch(37.6% 0.05 185.5)
-
Step 950
950
#122C28
oklch(27.1% 0.033 182.6)
#428F86 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) | #898886 | 0.083 |
| Deuteranopia (no green cones) | #7C7F87 | 0.077 |
| Tritanopia (no blue cones) | #0F928C | 0.024 |
| Achromatopsia (no color) | #838383 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428F86
#428F86
oklch(59.9% 0.077 185.2)
- #A86C79
#A86C79
oklch(59.9% 0.078 5.6)
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 #428F86, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.010
- Sea #3C9992 ΔE 0.029
- Teal Green #0A9396 ΔE 0.030
- Dark Cyan #008B8B ΔE 0.034
- Blue Green #0F9B8E ΔE 0.037
- Persian Green #2A9D8F ΔE 0.040
- Slate Green #658D6D ΔE 0.045
- Grey Teal #5E9B8A ΔE 0.047
Use #428F86 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.