#508B9D
Closest named color: Dusty Blue (#5A86AD). oklch(60.4% 0.067 219.6), rgb(80, 139, 157).
Aa
Black text reads best on this color (5.52:1).
About this color
#508B9D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.067 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.034 away. Black text reads best on it, at 5.52:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.52:1 |
| White text | 3.80:1 |
Values
| HEX | #508B9D |
| RGB | rgb(80, 139, 157) |
| HSL | hsl(194, 32%, 46%) |
| OKLCH | oklch(60.4% 0.067 219.6) |
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 #508B9D | 3.80:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #508B9D | 5.52:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #508B9D text on white | 3.80:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #508B9D text on black | 5.52:1 | AA | Lc -36.2 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3EBEE
oklch(93.5% 0.009 222.1)
-
Step 200
200
#CDDCE1
oklch(88.5% 0.018 219.7)
-
Step 300
300
#AAC6CF
oklch(80.9% 0.033 219.2)
-
Step 400
400
#7CA9B7
oklch(70.7% 0.052 219)
-
Step 500
500 (this color)
#508B9D
oklch(60.4% 0.067 219.6)
-
Step 600
600
#3B7D91
oklch(55.5% 0.074 220.4)
-
Step 700
700
#2D6A7B
oklch(49.2% 0.068 219)
-
Step 800
800
#275664
oklch(42.6% 0.056 220)
-
Step 900
900
#254752
oklch(37.7% 0.044 221)
-
Step 950
950
#162A30
oklch(27.1% 0.028 219)
#508B9D 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) | #80889E | 0.058 |
| Deuteranopia (no green cones) | #747F9D | 0.052 |
| Tritanopia (no blue cones) | #279191 | 0.042 |
| Achromatopsia (no color) | #838383 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508B9D
#508B9D
oklch(60.4% 0.067 219.6)
- #A57463
#A57463
oklch(60.4% 0.067 39.9)
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 #508B9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.034
- Off Blue #5684AE ΔE 0.039
- Steel #738595 ΔE 0.041
- Grey Blue #647D8E ΔE 0.043
- Steel Grey #6F828A ΔE 0.043
- Teal Blue #01889F ΔE 0.044
- Slate Gray #708090 ΔE 0.044
- Light Slate Gray #778899 ΔE 0.045
Use #508B9D 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.