#578380
Closest named color: Battleship Grey (#6B7C85). oklch(57.7% 0.049 190.5), rgb(87, 131, 128).
Aa
Black text reads best on this color (4.96:1).
About this color
#578380 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.049 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.034 away. Black text reads best on it, at 4.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.96:1 |
| White text | 4.23:1 |
Values
| HEX | #578380 |
| RGB | rgb(87, 131, 128) |
| HSL | hsl(176, 20%, 43%) |
| OKLCH | oklch(57.7% 0.049 190.5) |
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 #578380 | 4.23:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #578380 | 4.96:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #578380 text on white | 4.23:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #578380 text on black | 4.96:1 | AA | Lc -32.5 | 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
#D1DCDB
oklch(88.6% 0.012 190.4)
-
Step 300
300
#B1C5C4
oklch(80.8% 0.022 193.1)
-
Step 400
400
#88A8A5
oklch(70.7% 0.035 189.4)
-
Step 500
500
#6A9390
oklch(63.2% 0.045 190.4)
-
Step 600
600 (this color)
#578380
oklch(57.7% 0.049 190.5)
-
Step 700
700
#416967
oklch(49.1% 0.045 191.8)
-
Step 800
800
#365654
oklch(42.8% 0.038 190.8)
-
Step 900
900
#2F4745
oklch(37.8% 0.03 189.4)
-
Step 950
950
#1C2928
oklch(26.9% 0.018 190.2)
#578380 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) | #7E7F80 | 0.051 |
| Deuteranopia (no green cones) | #767981 | 0.048 |
| Tritanopia (no blue cones) | #478582 | 0.016 |
| Achromatopsia (no color) | #7B7B7B | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #578380
#578380
oklch(57.7% 0.049 190.5)
- #946E73
#946E73
oklch(57.8% 0.049 9.9)
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 #578380, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.034
- Steel Grey #6F828A ΔE 0.036
- Grey Blue #647D8E ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.037
- Slate Gray #708090 ΔE 0.044
- Battleship Gray #6C757D ΔE 0.046
- Medium Grey #7D7F7C ΔE 0.049
- Dark Cyan #008B8B ΔE 0.050
Use #578380 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.