#508B99
Closest named color: Dusty Teal (#4C9085). oklch(60.2% 0.065 214.7), rgb(80, 139, 153).
Aa
Black text reads best on this color (5.49:1).
About this color
#508B99 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.065 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.039 away. Black text reads best on it, at 5.49:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.49:1 |
| White text | 3.82:1 |
Values
| HEX | #508B99 |
| RGB | rgb(80, 139, 153) |
| HSL | hsl(192, 31%, 46%) |
| OKLCH | oklch(60.2% 0.065 214.7) |
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 #508B99 | 3.82:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #508B99 | 5.49:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #508B99 text on white | 3.82:1 | AA large text | Lc 65.6 | Content text, not long reading |
| #508B99 text on black | 5.49:1 | AA | Lc -36.0 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3EBEE
oklch(93.5% 0.009 222.1)
-
Step 200
200
#CDDCE0
oklch(88.4% 0.017 215.5)
-
Step 300
300
#AAC6CD
oklch(80.8% 0.032 214.5)
-
Step 400
400
#7CA9B4
oklch(70.6% 0.051 214.5)
-
Step 500
500 (this color)
#508B99
oklch(60.2% 0.065 214.7)
-
Step 600
600
#3C7E8D
oklch(55.6% 0.071 214.6)
-
Step 700
700
#2D6A78
oklch(49% 0.066 215.2)
-
Step 800
800
#275761
oklch(42.8% 0.054 213.2)
-
Step 900
900
#254750
oklch(37.6% 0.042 216.9)
-
Step 950
950
#162A2F
oklch(27% 0.027 215.5)
#508B99 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) | #81879A | 0.059 |
| Deuteranopia (no green cones) | #757F99 | 0.053 |
| Tritanopia (no blue cones) | #2B918F | 0.039 |
| Achromatopsia (no color) | #828282 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508B99
#508B99
oklch(60.2% 0.065 214.7)
- #A47367
#A47367
oklch(60.2% 0.065 34.3)
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 #508B99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.039
- Dusty Blue #5A86AD ΔE 0.040
- Steel #738595 ΔE 0.041
- Steel Grey #6F828A ΔE 0.041
- Grey Blue #647D8E ΔE 0.042
- Teal Green #0A9396 ΔE 0.043
- Slate Gray #708090 ΔE 0.044
- Off Blue #5684AE ΔE 0.044
Use #508B99 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.