#508778
Closest named color: Dusty Teal (#4C9085). oklch(58.1% 0.063 174.6), rgb(80, 135, 120).
Aa
Black text reads best on this color (5.07:1).
About this color
#508778 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.063 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.028 away. Black text reads best on it, at 5.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.07:1 |
| White text | 4.13:1 |
Values
| HEX | #508778 |
| RGB | rgb(80, 135, 120) |
| HSL | hsl(164, 26%, 42%) |
| OKLCH | oklch(58.1% 0.063 174.6) |
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 #508778 | 4.13:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #508778 | 5.07:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #508778 text on white | 4.13:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #508778 text on black | 5.07:1 | AA | Lc -33.3 | 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 600.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#CFDDD8
oklch(88.6% 0.016 172.6)
-
Step 300
300
#AFC7BF
oklch(80.9% 0.028 173.5)
-
Step 400
400
#83AA9F
oklch(70.6% 0.045 175.8)
-
Step 500
500
#639587
oklch(63% 0.058 174.9)
-
Step 600
600 (this color)
#508778
oklch(58.1% 0.063 174.6)
-
Step 700
700
#3A6C5E
oklch(49.2% 0.059 173.6)
-
Step 800
800
#30584D
oklch(42.7% 0.049 174.2)
-
Step 900
900
#2B4840
oklch(37.6% 0.038 174.8)
-
Step 950
950
#1A2A26
oklch(26.9% 0.023 177.2)
#508778 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) | #838177 | 0.065 |
| Deuteranopia (no green cones) | #7A7A79 | 0.063 |
| Tritanopia (no blue cones) | #3E8882 | 0.020 |
| Achromatopsia (no color) | #7D7D7D | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508778
#508778
oklch(58.1% 0.063 174.6)
- #996B7D
#996B7D
oklch(58.1% 0.063 354.1)
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 #508778, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.028
- Slate Green #658D6D ΔE 0.036
- Dark Cyan #008B8B ΔE 0.045
- Dark Sage #598556 ΔE 0.047
- Steel Grey #6F828A ΔE 0.053
- Teal Green #0A9396 ΔE 0.054
- Battleship Grey #6B7C85 ΔE 0.054
- Sea #3C9992 ΔE 0.055
Use #508778 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.