#508587
Closest named color: Dusty Teal (#4C9085). oklch(58.1% 0.057 198.8), rgb(80, 133, 135).
Aa
Black text reads best on this color (5.04:1).
About this color
#508587 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.057 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.034 away. Black text reads best on it, at 5.04:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #508587 |
| RGB | rgb(80, 133, 135) |
| HSL | hsl(182, 26%, 42%) |
| OKLCH | oklch(58.1% 0.057 198.8) |
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 #508587 | 4.16:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #508587 | 5.04:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #508587 text on white | 4.16:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #508587 text on black | 5.04:1 | AA | Lc -33.1 | 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 600.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CFDCDC
oklch(88.5% 0.014 196.9)
-
Step 300
300
#AEC6C7
oklch(80.9% 0.026 199.7)
-
Step 400
400
#83A9AA
oklch(70.7% 0.041 198.3)
-
Step 500
500
#639395
oklch(63% 0.052 199.2)
-
Step 600
600 (this color)
#508587
oklch(58.1% 0.057 198.8)
-
Step 700
700
#3A6A6C
oklch(49.1% 0.052 199.1)
-
Step 800
800
#305658
oklch(42.6% 0.043 200)
-
Step 900
900
#2B4748
oklch(37.6% 0.034 198.7)
-
Step 950
950
#1A2A2A
oklch(27.1% 0.021 196)
#508587 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) | #7E8087 | 0.058 |
| Deuteranopia (no green cones) | #747987 | 0.054 |
| Tritanopia (no blue cones) | #388885 | 0.023 |
| Achromatopsia (no color) | #7C7C7C | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508587
#508587
oklch(58.1% 0.057 198.8)
- #996D6D
#996D6D
oklch(58% 0.056 18.9)
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 #508587, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.034
- Grey Blue #647D8E ΔE 0.036
- Steel Grey #6F828A ΔE 0.038
- Battleship Grey #6B7C85 ΔE 0.039
- Dark Cyan #008B8B ΔE 0.042
- Slate Gray #708090 ΔE 0.045
- Teal Green #0A9396 ΔE 0.049
- Steel #738595 ΔE 0.050
Use #508587 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.