#508B8D
Closest named color: Dusty Teal (#4C9085). oklch(59.7% 0.062 198.4), rgb(80, 139, 141).
Aa
Black text reads best on this color (5.41:1).
About this color
#508B8D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.062 and its hue 198°. 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 5.41:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.41:1 |
| White text | 3.87:1 |
Values
| HEX | #508B8D |
| RGB | rgb(80, 139, 141) |
| HSL | hsl(182, 28%, 43%) |
| OKLCH | oklch(59.7% 0.062 198.4) |
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 #508B8D | 3.87:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #508B8D | 5.41:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #508B8D text on white | 3.87:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #508B8D text on black | 5.41:1 | AA | Lc -35.6 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CDDDDD
oklch(88.6% 0.017 196.8)
-
Step 300
300
#ABC7C8
oklch(80.9% 0.03 199.2)
-
Step 400
400
#7DAAAC
oklch(70.6% 0.048 199.6)
-
Step 500
500 (this color)
#508B8D
oklch(59.7% 0.062 198.4)
-
Step 600
600
#3E7F82
oklch(55.5% 0.066 199.4)
-
Step 700
700
#2F6C6E
oklch(49.2% 0.063 198.2)
-
Step 800
800
#285859
oklch(42.8% 0.052 197.2)
-
Step 900
900
#264849
oklch(37.6% 0.04 198.1)
-
Step 950
950
#172A2B
oklch(26.9% 0.025 200)
#508B8D 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) | #84868D | 0.064 |
| Deuteranopia (no green cones) | #797E8D | 0.059 |
| Tritanopia (no blue cones) | #338F8B | 0.026 |
| Achromatopsia (no color) | #818181 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508B8D
#508B8D
oklch(59.7% 0.062 198.4)
- #A17171
#A17171
oklch(59.8% 0.061 19)
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 #508B8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.023
- Teal Green #0A9396 ΔE 0.040
- Sea #3C9992 ΔE 0.041
- Steel Grey #6F828A ΔE 0.041
- Dark Cyan #008B8B ΔE 0.043
- Grey Blue #647D8E ΔE 0.046
- Steel #738595 ΔE 0.047
- Slate Gray #708090 ΔE 0.048
Use #508B8D 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.