#588C8B
Closest named color: Dusty Teal (#4C9085). oklch(60.3% 0.056 194.2), rgb(88, 140, 139).
Aa
Black text reads best on this color (5.53:1).
About this color
#588C8B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.056 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.021 away. Black text reads best on it, at 5.53:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.53:1 |
| White text | 3.79:1 |
Values
| HEX | #588C8B |
| RGB | rgb(88, 140, 139) |
| HSL | hsl(179, 23%, 45%) |
| OKLCH | oklch(60.3% 0.056 194.2) |
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 #588C8B | 3.79:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #588C8B | 5.53:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #588C8B text on white | 3.79:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #588C8B text on black | 5.53:1 | AA | Lc -36.3 | 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
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDCDC
oklch(88.4% 0.015 196.9)
-
Step 300
300
#ADC6C6
oklch(80.8% 0.027 196.6)
-
Step 400
400
#81AAA9
oklch(70.8% 0.044 194.3)
-
Step 500
500 (this color)
#588C8B
oklch(60.3% 0.056 194.2)
-
Step 600
600
#457F7E
oklch(55.7% 0.061 194.1)
-
Step 700
700
#366B6A
oklch(49.1% 0.057 193.9)
-
Step 800
800
#2E5756
oklch(42.7% 0.046 193.5)
-
Step 900
900
#294847
oklch(37.7% 0.037 193.1)
-
Step 950
950
#192A2A
oklch(27% 0.023 195.9)
#588C8B 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) | #86878B | 0.059 |
| Deuteranopia (no green cones) | #7C808C | 0.055 |
| Tritanopia (no blue cones) | #438F8C | 0.020 |
| Achromatopsia (no color) | #838383 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #588C8B
#588C8B
oklch(60.3% 0.056 194.2)
- #A07477
#A07477
oklch(60.4% 0.056 14.3)
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 #588C8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.021
- Steel Grey #6F828A ΔE 0.037
- Sea #3C9992 ΔE 0.040
- Steel #738595 ΔE 0.044
- Teal Green #0A9396 ΔE 0.046
- Slate Green #658D6D ΔE 0.046
- Slate Gray #708090 ΔE 0.046
- Grey Teal #5E9B8A ΔE 0.047
Use #588C8B 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.