#578B92
Closest named color: Dusty Teal (#4C9085). oklch(60.3% 0.056 206.6), rgb(87, 139, 146).
Aa
Black text reads best on this color (5.51:1).
About this color
#578B92 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.056 and its hue 207°. 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 5.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #578B92 |
| RGB | rgb(87, 139, 146) |
| HSL | hsl(187, 25%, 46%) |
| OKLCH | oklch(60.3% 0.056 206.6) |
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 #578B92 | 3.80:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #578B92 | 5.51:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #578B92 text on white | 3.80:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #578B92 text on black | 5.51:1 | AA | Lc -36.1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CEDCDE
oklch(88.4% 0.015 207.1)
-
Step 300
300
#ADC6C9
oklch(80.9% 0.027 205.4)
-
Step 400
400
#81A9AE
oklch(70.7% 0.044 205.7)
-
Step 500
500 (this color)
#578B92
oklch(60.3% 0.056 206.6)
-
Step 600
600
#447E85
oklch(55.6% 0.062 205.7)
-
Step 700
700
#356A71
oklch(49.1% 0.057 206.7)
-
Step 800
800
#2D565C
oklch(42.6% 0.047 207.8)
-
Step 900
900
#29474B
oklch(37.6% 0.036 206.5)
-
Step 950
950
#182A2C
oklch(27% 0.024 204.7)
#578B92 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) | #838792 | 0.055 |
| Deuteranopia (no green cones) | #797F92 | 0.052 |
| Tritanopia (no blue cones) | #3E8F8D | 0.027 |
| Achromatopsia (no color) | #838383 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #578B92
#578B92
oklch(60.3% 0.056 206.6)
- #A0746F
#A0746F
oklch(60.2% 0.056 26.2)
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 #578B92, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.031
- Steel Grey #6F828A ΔE 0.035
- Steel #738595 ΔE 0.038
- Slate Gray #708090 ΔE 0.041
- Grey Blue #647D8E ΔE 0.041
- Light Slate Gray #778899 ΔE 0.042
- Sea #3C9992 ΔE 0.045
- Battleship Grey #6B7C85 ΔE 0.045
Use #578B92 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.