#508384
Closest named color: Grey Blue (#647D8E). oklch(57.5% 0.055 197.3), rgb(80, 131, 132).
Aa
Black text reads best on this color (4.92:1).
About this color
#508384 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 57%, its chroma 0.055 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.036 away. Black text reads best on it, at 4.92:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #508384 |
| RGB | rgb(80, 131, 132) |
| HSL | hsl(181, 25%, 42%) |
| OKLCH | oklch(57.5% 0.055 197.3) |
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 #508384 | 4.26:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #508384 | 4.92:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #508384 text on white | 4.26:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #508384 text on black | 4.92:1 | AA | Lc -32.2 | 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 600.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#CFDCDC
oklch(88.5% 0.014 196.9)
-
Step 300
300
#AFC6C6
oklch(80.9% 0.025 196.7)
-
Step 400
400
#84A9A9
oklch(70.8% 0.04 196.3)
-
Step 500
500
#659394
oklch(63.1% 0.05 197.7)
-
Step 600
600 (this color)
#508384
oklch(57.5% 0.055 197.3)
-
Step 700
700
#3B6A6B
oklch(49.1% 0.051 197.4)
-
Step 800
800
#325657
oklch(42.7% 0.042 198)
-
Step 900
900
#2C4748
oklch(37.7% 0.033 198.8)
-
Step 950
950
#1A2A2A
oklch(27.1% 0.021 196)
#508384 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) | #7D7F84 | 0.057 |
| Deuteranopia (no green cones) | #737784 | 0.053 |
| Tritanopia (no blue cones) | #3A8683 | 0.021 |
| Achromatopsia (no color) | #7A7A7A | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508384
#508384
oklch(57.5% 0.055 197.3)
- #976C6D
#976C6D
oklch(57.5% 0.055 17.4)
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 #508384, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.036
- Battleship Grey #6B7C85 ΔE 0.037
- Dusty Teal #4C9085 ΔE 0.039
- Steel Grey #6F828A ΔE 0.040
- Dark Cyan #008B8B ΔE 0.044
- Slate Gray #708090 ΔE 0.046
- Battleship Gray #6C757D ΔE 0.048
- Teal #008080 ΔE 0.049
Use #508384 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.