#578F83
Closest named color: Dusty Teal (#4C9085). oklch(60.8% 0.062 178.9), rgb(87, 143, 131).
Aa
Black text reads best on this color (5.66:1).
About this color
#578F83 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.062 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.010 away. Black text reads best on it, at 5.66:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #578F83 |
| RGB | rgb(87, 143, 131) |
| HSL | hsl(167, 24%, 45%) |
| OKLCH | oklch(60.8% 0.062 178.9) |
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 #578F83 | 3.70:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #578F83 | 5.66:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #578F83 text on white | 3.70:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #578F83 text on black | 5.66:1 | AA | Lc -37.1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CEDDD9
oklch(88.5% 0.017 178.2)
-
Step 300
300
#ADC7C1
oklch(80.8% 0.029 180.1)
-
Step 400
400
#80ABA1
oklch(70.7% 0.049 178.9)
-
Step 500
500 (this color)
#578F83
oklch(60.8% 0.062 178.9)
-
Step 600
600
#428074
oklch(55.5% 0.067 179.6)
-
Step 700
700
#346D61
oklch(49.2% 0.063 178)
-
Step 800
800
#2C584F
oklch(42.6% 0.051 178.8)
-
Step 900
900
#284942
oklch(37.8% 0.041 178.8)
-
Step 950
950
#182B27
oklch(27.1% 0.026 179.4)
#578F83 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) | #8B8983 | 0.066 |
| Deuteranopia (no green cones) | #818284 | 0.062 |
| Tritanopia (no blue cones) | #44918B | 0.019 |
| Achromatopsia (no color) | #858585 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #578F83
#578F83
oklch(60.8% 0.062 178.9)
- #A27382
#A27382
oklch(60.8% 0.062 358.3)
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 #578F83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.010
- Slate Green #658D6D ΔE 0.032
- Sea #3C9992 ΔE 0.034
- Grey Teal #5E9B8A ΔE 0.036
- Dull Teal #5F9E8F ΔE 0.045
- Persian Green #2A9D8F ΔE 0.046
- Teal Green #0A9396 ΔE 0.047
- Green Grey #77926F ΔE 0.047
Use #578F83 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.