#588578
Closest named color: Dusty Teal (#4C9085). oklch(58% 0.053 174.3), rgb(88, 133, 120).
Aa
Black text reads best on this color (5.04:1).
About this color
#588578 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.053 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.032 away. Black text reads best on it, at 5.04:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #588578 |
| RGB | rgb(88, 133, 120) |
| HSL | hsl(163, 20%, 43%) |
| OKLCH | oklch(58% 0.053 174.3) |
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 #588578 | 4.16:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #588578 | 5.04:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #588578 text on white | 4.16:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #588578 text on black | 5.04:1 | AA | Lc -33.0 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D1DCD8
oklch(88.5% 0.013 172.3)
-
Step 300
300
#B2C6BF
oklch(80.9% 0.024 172.7)
-
Step 400
400
#88A99F
oklch(70.7% 0.039 174.7)
-
Step 500
500
#6A9487
oklch(63.2% 0.05 173.5)
-
Step 600
600 (this color)
#588578
oklch(58% 0.053 174.3)
-
Step 700
700
#416A5F
oklch(49% 0.05 175.3)
-
Step 800
800
#36574D
oklch(42.8% 0.042 173.1)
-
Step 900
900
#2F4740
oklch(37.6% 0.032 174.4)
-
Step 950
950
#1C2A26
oklch(27.1% 0.02 175.1)
#588578 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) | #828077 | 0.056 |
| Deuteranopia (no green cones) | #7A7A79 | 0.053 |
| Tritanopia (no blue cones) | #4B8681 | 0.017 |
| Achromatopsia (no color) | #7C7C7C | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #588578
#588578
oklch(58% 0.053 174.3)
- #946D7C
#946D7C
oklch(57.9% 0.054 354)
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 #588578, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.032
- Slate Green #658D6D ΔE 0.037
- Steel Grey #6F828A ΔE 0.045
- Battleship Grey #6B7C85 ΔE 0.045
- Dark Sage #598556 ΔE 0.050
- Grey Blue #647D8E ΔE 0.051
- Medium Grey #7D7F7C ΔE 0.052
- Dark Cyan #008B8B ΔE 0.052
Use #588578 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.