#508E7B
Closest named color: Dusty Teal (#4C9085). oklch(59.9% 0.071 172), rgb(80, 142, 123).
Aa
Black text reads best on this color (5.49:1).
About this color
#508E7B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.071 and its hue 172°. 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 5.49:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.49:1 |
| White text | 3.82:1 |
Values
| HEX | #508E7B |
| RGB | rgb(80, 142, 123) |
| HSL | hsl(162, 28%, 44%) |
| OKLCH | oklch(59.9% 0.071 172) |
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 #508E7B | 3.82:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #508E7B | 5.49:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #508E7B text on white | 3.82:1 | AA large text | Lc 65.6 | Content text, not long reading |
| #508E7B text on black | 5.49:1 | AA | Lc -36.1 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDDD7
oklch(88.4% 0.019 171.4)
-
Step 300
300
#ABC8BE
oklch(80.8% 0.034 172.6)
-
Step 400
400
#7DAC9D
oklch(70.6% 0.055 172.9)
-
Step 500
500 (this color)
#508E7B
oklch(59.9% 0.071 172)
-
Step 600
600
#3D826E
oklch(55.6% 0.077 172)
-
Step 700
700
#2E6E5C
oklch(49.1% 0.072 172.1)
-
Step 800
800
#285A4B
oklch(42.8% 0.06 171.3)
-
Step 900
900
#254A3F
oklch(37.8% 0.047 172.3)
-
Step 950
950
#172B25
oklch(27% 0.028 173)
#508E7B 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) | #8B877A | 0.074 |
| Deuteranopia (no green cones) | #807F7C | 0.071 |
| Tritanopia (no blue cones) | #3C8F88 | 0.023 |
| Achromatopsia (no color) | #828282 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508E7B
#508E7B
oklch(59.9% 0.071 172)
- #A26E84
#A26E84
oklch(59.9% 0.072 352.5)
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 #508E7B, 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 0.027
- Sea #3C9992 ΔE 0.039
- Ocean Green #3D9973 ΔE 0.041
- Grey Teal #5E9B8A ΔE 0.044
- Blue Green #0F9B8E ΔE 0.046
- Persian Green #2A9D8F ΔE 0.046
- Teal Green #0A9396 ΔE 0.048
Use #508E7B 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.