#509291
Closest named color: Dusty Teal (#4C9085). oklch(61.6% 0.068 194.3), rgb(80, 146, 145).
Aa
Black text reads best on this color (5.86:1).
About this color
#509291 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 62%, its chroma 0.068 and its hue 194°. 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 5.86:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.86:1 |
| White text | 3.58:1 |
Values
| HEX | #509291 |
| RGB | rgb(80, 146, 145) |
| HSL | hsl(179, 29%, 44%) |
| OKLCH | oklch(61.6% 0.068 194.3) |
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 #509291 | 3.58:1 | AA large text | Lc -68.8 | Content text, not long reading |
| Black text on #509291 | 5.86:1 | AA | Lc 40.8 | Non-text elements, placeholder text |
| #509291 text on white | 3.58:1 | AA large text | Lc 63.3 | Content text, not long reading |
| #509291 text on black | 5.86:1 | AA | Lc -38.4 | 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
#A9C8C7
oklch(81% 0.033 194.1)
-
Step 400
400
#7AABAA
oklch(70.6% 0.052 194.4)
-
Step 500
500 (this color)
#509291
oklch(61.6% 0.068 194.3)
-
Step 600
600
#368180
oklch(55.6% 0.074 194)
-
Step 700
700
#286D6C
oklch(49.2% 0.068 193.8)
-
Step 800
800
#235958
oklch(42.8% 0.057 193.6)
-
Step 900
900
#224948
oklch(37.7% 0.044 193.2)
-
Step 950
950
#152B2A
oklch(27% 0.028 191.9)
#509291 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) | #8B8C91 | 0.071 |
| Deuteranopia (no green cones) | #7F8492 | 0.066 |
| Tritanopia (no blue cones) | #2F9691 | 0.025 |
| Achromatopsia (no color) | #878787 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509291
#509291
oklch(61.6% 0.068 194.3)
- #AA7478
#AA7478
oklch(61.6% 0.068 14.4)
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 #509291, 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 0.024
- Grey Teal #5E9B8A ΔE 0.036
- Teal Green #0A9396 ΔE 0.036
- Persian Green #2A9D8F ΔE 0.040
- Dull Teal #5F9E8F ΔE 0.041
- Cadet Blue #5F9EA0 ΔE 0.042
- Blue Green #0F9B8E ΔE 0.043
Use #509291 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.