#508E9B
Closest named color: Dusty Teal (#4C9085). oklch(61% 0.067 212.7), rgb(80, 142, 155).
Aa
Black text reads best on this color (5.68:1).
About this color
#508E9B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.067 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.037 away. Black text reads best on it, at 5.68:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #508E9B |
| RGB | rgb(80, 142, 155) |
| HSL | hsl(190, 32%, 46%) |
| OKLCH | oklch(61% 0.067 212.7) |
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 #508E9B | 3.69:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #508E9B | 5.68:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #508E9B text on white | 3.69:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #508E9B text on black | 5.68:1 | AA | Lc -37.3 | 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
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CCDDE0
oklch(88.6% 0.019 209.4)
-
Step 300
300
#A9C7CD
oklch(80.9% 0.033 211.1)
-
Step 400
400
#7BAAB4
oklch(70.8% 0.052 212.3)
-
Step 500
500 (this color)
#508E9B
oklch(61% 0.067 212.7)
-
Step 600
600
#397F8D
oklch(55.7% 0.073 212.7)
-
Step 700
700
#2A6B77
oklch(49.1% 0.068 211.7)
-
Step 800
800
#255761
oklch(42.7% 0.056 212.7)
-
Step 900
900
#23484F
oklch(37.7% 0.044 211.3)
-
Step 950
950
#162A2E
oklch(27% 0.027 211.7)
#508E9B 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) | #848A9C | 0.062 |
| Deuteranopia (no green cones) | #78819B | 0.057 |
| Tritanopia (no blue cones) | #289392 | 0.037 |
| Achromatopsia (no color) | #858585 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508E9B
#508E9B
oklch(61% 0.067 212.7)
- #A7756A
#A7756A
oklch(61% 0.066 32.8)
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 #508E9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.037
- Teal Green #0A9396 ΔE 0.041
- Sea #3C9992 ΔE 0.042
- Dusty Blue #5A86AD ΔE 0.043
- Steel #738595 ΔE 0.043
- Blue Grey #758DA3 ΔE 0.045
- Steel Grey #6F828A ΔE 0.045
- Light Slate Gray #778899 ΔE 0.046
Use #508E9B 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.