#508F90
Closest named color: Dusty Teal (#4C9085). oklch(60.8% 0.065 196.9), rgb(80, 143, 144).
Aa
Black text reads best on this color (5.67:1).
About this color
#508F90 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.065 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.019 away. Black text reads best on it, at 5.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.67:1 |
| White text | 3.70:1 |
Values
| HEX | #508F90 |
| RGB | rgb(80, 143, 144) |
| HSL | hsl(181, 29%, 44%) |
| OKLCH | oklch(60.8% 0.065 196.9) |
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 #508F90 | 3.70:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #508F90 | 5.67:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #508F90 text on white | 3.70:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #508F90 text on black | 5.67:1 | AA | Lc -37.2 | 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
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDD
oklch(88.5% 0.018 196.8)
-
Step 300
300
#AAC7C8
oklch(80.9% 0.031 199.1)
-
Step 400
400
#7BABAB
oklch(70.7% 0.051 196.1)
-
Step 500
500 (this color)
#508F90
oklch(60.8% 0.065 196.9)
-
Step 600
600
#398081
oklch(55.5% 0.071 196.6)
-
Step 700
700
#2B6C6D
oklch(49% 0.065 196.6)
-
Step 800
800
#255859
oklch(42.6% 0.054 197.1)
-
Step 900
900
#244949
oklch(37.8% 0.042 195.5)
-
Step 950
950
#162B2B
oklch(27.2% 0.027 195.7)
#508F90 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) | #878A90 | 0.067 |
| Deuteranopia (no green cones) | #7C8191 | 0.063 |
| Tritanopia (no blue cones) | #30938F | 0.026 |
| Achromatopsia (no color) | #858585 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508F90
#508F90
oklch(60.8% 0.065 196.9)
- #A67375
#A67375
oklch(60.8% 0.065 16.6)
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 #508F90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.019
- Sea #3C9992 ΔE 0.031
- Teal Green #0A9396 ΔE 0.036
- Grey Teal #5E9B8A ΔE 0.043
- Dark Cyan #008B8B ΔE 0.046
- Steel Grey #6F828A ΔE 0.047
- Persian Green #2A9D8F ΔE 0.047
- Blue Green #0F9B8E ΔE 0.048
Use #508F90 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.