#508B82
Closest named color: Dusty Teal (#4C9085). oklch(59.4% 0.064 183.3), rgb(80, 139, 130).
Aa
Black text reads best on this color (5.35:1).
About this color
#508B82 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.064 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.014 away. Black text reads best on it, at 5.35:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.35:1 |
| White text | 3.92:1 |
Values
| HEX | #508B82 |
| RGB | rgb(80, 139, 130) |
| HSL | hsl(171, 27%, 43%) |
| OKLCH | oklch(59.4% 0.064 183.3) |
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 #508B82 | 3.92:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #508B82 | 5.35:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #508B82 text on white | 3.92:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #508B82 text on black | 5.35:1 | AA | Lc -35.2 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CDDDDA
oklch(88.5% 0.018 183.5)
-
Step 300
300
#ABC8C2
oklch(81% 0.032 181.6)
-
Step 400
400
#7EABA4
oklch(70.7% 0.049 184.3)
-
Step 500
500 (this color)
#508B82
oklch(59.4% 0.064 183.3)
-
Step 600
600
#3F8177
oklch(55.7% 0.07 182.6)
-
Step 700
700
#306D64
oklch(49.2% 0.065 182.6)
-
Step 800
800
#295952
oklch(42.8% 0.054 183)
-
Step 900
900
#264944
oklch(37.7% 0.042 183.9)
-
Step 950
950
#172B28
oklch(27.1% 0.027 183.8)
#508B82 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) | #868582 | 0.068 |
| Deuteranopia (no green cones) | #7C7D83 | 0.065 |
| Tritanopia (no blue cones) | #398D88 | 0.019 |
| Achromatopsia (no color) | #818181 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508B82
#508B82
oklch(59.4% 0.064 183.3)
- #9F6F7A
#9F6F7A
oklch(59.4% 0.063 4.1)
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 #508B82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.014
- Slate Green #658D6D ΔE 0.038
- Sea #3C9992 ΔE 0.041
- Dark Cyan #008B8B ΔE 0.042
- Teal Green #0A9396 ΔE 0.043
- Steel Grey #6F828A ΔE 0.048
- Grey Teal #5E9B8A ΔE 0.050
- Blue Green #0F9B8E ΔE 0.052
Use #508B82 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.