#509199
Closest named color: Dusty Teal (#4C9085). oklch(61.7% 0.068 205.9), rgb(80, 145, 153).
Aa
Black text reads best on this color (5.85:1).
About this color
#509199 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 62%, its chroma 0.068 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.031 away. Black text reads best on it, at 5.85:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.85:1 |
| White text | 3.58:1 |
Values
| HEX | #509199 |
| RGB | rgb(80, 145, 153) |
| HSL | hsl(187, 31%, 46%) |
| OKLCH | oklch(61.7% 0.068 205.9) |
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 #509199 | 3.58:1 | AA large text | Lc -68.8 | Content text, not long reading |
| Black text on #509199 | 5.85:1 | AA | Lc 40.7 | Non-text elements, placeholder text |
| #509199 text on white | 3.58:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #509199 text on black | 5.85:1 | AA | Lc -38.3 | 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
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDDF
oklch(88.5% 0.018 205.3)
-
Step 300
300
#A9C7CB
oklch(80.9% 0.033 206.4)
-
Step 400
400
#79AAB1
oklch(70.6% 0.053 207.1)
-
Step 500
500 (this color)
#509199
oklch(61.7% 0.068 205.9)
-
Step 600
600
#368088
oklch(55.7% 0.074 205)
-
Step 700
700
#286C74
oklch(49.2% 0.068 206)
-
Step 800
800
#23585E
oklch(42.8% 0.056 205.4)
-
Step 900
900
#22484D
oklch(37.6% 0.044 206.7)
-
Step 950
950
#152A2D
oklch(26.9% 0.027 207.4)
#509199 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) | #888C9A | 0.067 |
| Deuteranopia (no green cones) | #7C8399 | 0.062 |
| Tritanopia (no blue cones) | #299693 | 0.033 |
| Achromatopsia (no color) | #878787 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509199
#509199
oklch(61.7% 0.068 205.9)
- #AA7570
#AA7570
oklch(61.5% 0.068 25.2)
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 #509199, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.031
- Sea #3C9992 ΔE 0.032
- Teal Green #0A9396 ΔE 0.038
- Cadet Blue #5F9EA0 ΔE 0.042
- Grey Teal #5E9B8A ΔE 0.045
- Blue Grey #758DA3 ΔE 0.047
- Steel #738595 ΔE 0.048
- Light Slate Gray #778899 ΔE 0.049
Use #509199 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.