#508C8A
Closest named color: Dusty Teal (#4C9085). oklch(59.9% 0.063 192.8), rgb(80, 140, 138).
Aa
Black text reads best on this color (5.45:1).
About this color
#508C8A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.063 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.017 away. Black text reads best on it, at 5.45:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.45:1 |
| White text | 3.84:1 |
Values
| HEX | #508C8A |
| RGB | rgb(80, 140, 138) |
| HSL | hsl(178, 27%, 43%) |
| OKLCH | oklch(59.9% 0.063 192.8) |
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 #508C8A | 3.84:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #508C8A | 5.45:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #508C8A text on white | 3.84:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #508C8A text on black | 5.45:1 | AA | Lc -35.8 | 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
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDC
oklch(88.5% 0.017 192.3)
-
Step 300
300
#ABC7C6
oklch(80.9% 0.03 193.9)
-
Step 400
400
#7DABA9
oklch(70.8% 0.049 192.7)
-
Step 500
500 (this color)
#508C8A
oklch(59.9% 0.063 192.8)
-
Step 600
600
#3D807E
oklch(55.6% 0.068 192.8)
-
Step 700
700
#2E6C6A
oklch(49% 0.064 192.4)
-
Step 800
800
#285857
oklch(42.7% 0.052 193.6)
-
Step 900
900
#254947
oklch(37.8% 0.042 190.9)
-
Step 950
950
#172B2A
oklch(27.2% 0.026 191.7)
#508C8A 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) | #85878A | 0.065 |
| Deuteranopia (no green cones) | #7B7F8B | 0.062 |
| Tritanopia (no blue cones) | #358F8B | 0.022 |
| Achromatopsia (no color) | #828282 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508C8A
#508C8A
oklch(59.9% 0.063 192.8)
- #A27175
#A27175
oklch(60% 0.062 13.7)
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 #508C8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.017
- Sea #3C9992 ΔE 0.037
- Teal Green #0A9396 ΔE 0.039
- Dark Cyan #008B8B ΔE 0.042
- Steel Grey #6F828A ΔE 0.044
- Slate Green #658D6D ΔE 0.047
- Grey Teal #5E9B8A ΔE 0.049
- Grey Blue #647D8E ΔE 0.050
Use #508C8A 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.