#509883
Closest named color: Grey Teal (#5E9B8A). oklch(62.7% 0.08 172.5), rgb(80, 152, 131).
Aa
Black text reads best on this color (6.16:1).
About this color
#509883 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.080 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.020 away. Black text reads best on it, at 6.16:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #509883 |
| RGB | rgb(80, 152, 131) |
| HSL | hsl(162, 31%, 45%) |
| OKLCH | oklch(62.7% 0.08 172.5) |
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 #509883 | 3.40:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #509883 | 6.16:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #509883 text on white | 3.40:1 | AA large text | Lc 61.4 | Content text, not long reading |
| #509883 text on black | 6.16:1 | AA | Lc -40.3 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED7
oklch(88.5% 0.021 170.6)
-
Step 300
300
#A8C9BE
oklch(80.8% 0.039 173.1)
-
Step 400
400
#78AE9C
oklch(70.8% 0.063 171.6)
-
Step 500
500 (this color)
#509883
oklch(62.7% 0.08 172.5)
-
Step 600
600
#31846E
oklch(55.7% 0.087 172.5)
-
Step 700
700
#236F5C
oklch(49% 0.08 173)
-
Step 800
800
#1F5B4B
oklch(42.7% 0.067 172.3)
-
Step 900
900
#204B3F
oklch(37.8% 0.053 172.7)
-
Step 950
950
#142C25
oklch(27.1% 0.033 172.8)
#509883 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) | #949082 | 0.083 |
| Deuteranopia (no green cones) | #888884 | 0.078 |
| Tritanopia (no blue cones) | #359992 | 0.027 |
| Achromatopsia (no color) | #8B8B8B | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509883
#509883
oklch(62.7% 0.08 172.5)
- #AE748D
#AE748D
oklch(62.7% 0.08 352.2)
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 #509883, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.020
- Sea #3C9992 ΔE 0.024
- Dusty Teal #4C9085 ΔE 0.026
- Persian Green #2A9D8F ΔE 0.027
- Dull Teal #5F9E8F ΔE 0.028
- Ocean Green #3D9973 ΔE 0.031
- Blue Green #0F9B8E ΔE 0.034
- Slate Green #658D6D ΔE 0.038
Use #509883 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.