#588B8A
Closest named color: Dusty Teal (#4C9085). oklch(60.1% 0.055 194.2), rgb(88, 139, 138).
Aa
Black text reads best on this color (5.47:1).
About this color
#588B8A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.055 and its hue 194°. 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 5.47:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.47:1 |
| White text | 3.83:1 |
Values
| HEX | #588B8A |
| RGB | rgb(88, 139, 138) |
| HSL | hsl(179, 22%, 45%) |
| OKLCH | oklch(60.1% 0.055 194.2) |
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 #588B8A | 3.83:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #588B8A | 5.47:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #588B8A text on white | 3.83:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #588B8A text on black | 5.47:1 | AA | Lc -35.9 | 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
#AEC6C6
oklch(80.9% 0.026 196.6)
-
Step 400
400
#82A9A8
oklch(70.6% 0.042 194.3)
-
Step 500
500 (this color)
#588B8A
oklch(60.1% 0.055 194.2)
-
Step 600
600
#467E7E
oklch(55.5% 0.059 195.6)
-
Step 700
700
#376B6A
oklch(49.2% 0.056 193.9)
-
Step 800
800
#2E5756
oklch(42.7% 0.046 193.5)
-
Step 900
900
#2A4847
oklch(37.8% 0.036 193)
-
Step 950
950
#192A2A
oklch(27% 0.023 195.9)
#588B8A 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) | #85868A | 0.058 |
| Deuteranopia (no green cones) | #7C7F8B | 0.055 |
| Tritanopia (no blue cones) | #448E8B | 0.019 |
| Achromatopsia (no color) | #828282 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #588B8A
#588B8A
oklch(60.1% 0.055 194.2)
- #9E7376
#9E7376
oklch(60% 0.055 14.2)
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 #588B8A, 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 0.036
- Sea #3C9992 ΔE 0.042
- Steel #738595 ΔE 0.043
- Grey Blue #647D8E ΔE 0.045
- Slate Gray #708090 ΔE 0.045
- Battleship Grey #6B7C85 ΔE 0.046
- Slate Green #658D6D ΔE 0.046
Use #588B8A 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.