#588A88
Closest named color: Dusty Teal (#4C9085). oklch(59.7% 0.054 192.6), rgb(88, 138, 136).
Aa
Black text reads best on this color (5.40:1).
About this color
#588A88 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.054 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.022 away. Black text reads best on it, at 5.40:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.40:1 |
| White text | 3.88:1 |
Values
| HEX | #588A88 |
| RGB | rgb(88, 138, 136) |
| HSL | hsl(178, 22%, 44%) |
| OKLCH | oklch(59.7% 0.054 192.6) |
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 #588A88 | 3.88:1 | AA large text | Lc -71.7 | Content text, not long reading |
| Black text on #588A88 | 5.40:1 | AA | Lc 37.9 | Non-text elements, placeholder text |
| #588A88 text on white | 3.88:1 | AA large text | Lc 66.2 | Content text, not long reading |
| #588A88 text on black | 5.40:1 | AA | Lc -35.4 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4EBEB
oklch(93.5% 0.007 197)
-
Step 200
200
#CFDCDC
oklch(88.5% 0.014 196.9)
-
Step 300
300
#AEC6C5
oklch(80.8% 0.026 193.6)
-
Step 400
400
#83A9A8
oklch(70.7% 0.041 194.2)
-
Step 500
500 (this color)
#588A88
oklch(59.7% 0.054 192.6)
-
Step 600
600
#477E7C
oklch(55.5% 0.059 192.6)
-
Step 700
700
#386B69
oklch(49.2% 0.055 192.2)
-
Step 800
800
#2F5756
oklch(42.7% 0.045 193.5)
-
Step 900
900
#2A4847
oklch(37.8% 0.036 193)
-
Step 950
950
#192A29
oklch(27% 0.023 191.2)
#588A88 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) | #848588 | 0.057 |
| Deuteranopia (no green cones) | #7B7E89 | 0.054 |
| Tritanopia (no blue cones) | #458D89 | 0.019 |
| Achromatopsia (no color) | #818181 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #588A88
#588A88
oklch(59.7% 0.054 192.6)
- #9D7276
#9D7276
oklch(59.6% 0.055 12.7)
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 #588A88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.022
- Steel Grey #6F828A ΔE 0.035
- Battleship Grey #6B7C85 ΔE 0.044
- Grey Blue #647D8E ΔE 0.044
- Steel #738595 ΔE 0.044
- Sea #3C9992 ΔE 0.045
- Slate Gray #708090 ΔE 0.045
- Slate Green #658D6D ΔE 0.045
Use #588A88 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.