#508B85
Closest named color: Dusty Teal (#4C9085). oklch(59.5% 0.063 187.3), rgb(80, 139, 133).
Aa
Black text reads best on this color (5.37:1).
About this color
#508B85 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.063 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.015 away. Black text reads best on it, at 5.37:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #508B85 |
| RGB | rgb(80, 139, 133) |
| HSL | hsl(174, 27%, 43%) |
| OKLCH | oklch(59.5% 0.063 187.3) |
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 #508B85 | 3.90:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #508B85 | 5.37:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #508B85 text on white | 3.90:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #508B85 text on black | 5.37:1 | AA | Lc -35.3 | 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
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CDDDDB
oklch(88.5% 0.017 187.8)
-
Step 300
300
#ABC7C4
oklch(80.8% 0.03 188.7)
-
Step 400
400
#7EABA6
oklch(70.7% 0.049 187.6)
-
Step 500
500 (this color)
#508B85
oklch(59.5% 0.063 187.3)
-
Step 600
600
#3F807A
oklch(55.5% 0.067 187.5)
-
Step 700
700
#306C67
oklch(49% 0.063 188)
-
Step 800
800
#295854
oklch(42.6% 0.052 188.1)
-
Step 900
900
#264945
oklch(37.8% 0.041 186.1)
-
Step 950
950
#172B29
oklch(27.1% 0.026 187.7)
#508B85 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) | #858585 | 0.066 |
| Deuteranopia (no green cones) | #7B7E86 | 0.062 |
| Tritanopia (no blue cones) | #388E89 | 0.020 |
| Achromatopsia (no color) | #818181 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508B85
#508B85
oklch(59.5% 0.063 187.3)
- #A06F78
#A06F78
oklch(59.5% 0.063 7.1)
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 #508B85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.015
- Sea #3C9992 ΔE 0.040
- Dark Cyan #008B8B ΔE 0.041
- Teal Green #0A9396 ΔE 0.042
- Slate Green #658D6D ΔE 0.042
- Steel Grey #6F828A ΔE 0.045
- Grey Teal #5E9B8A ΔE 0.051
- Battleship Grey #6B7C85 ΔE 0.052
Use #508B85 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.