#588B7E
Closest named color: Dusty Teal (#4C9085). oklch(59.7% 0.059 176.3), rgb(88, 139, 126).
Aa
Black text reads best on this color (5.40:1).
About this color
#588B7E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.059 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.017 away. Black text reads best on it, at 5.40:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.40:1 |
| White text | 3.88:1 |
Values
| HEX | #588B7E |
| RGB | rgb(88, 139, 126) |
| HSL | hsl(165, 22%, 45%) |
| OKLCH | oklch(59.7% 0.059 176.3) |
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 #588B7E | 3.88:1 | AA large text | Lc -71.7 | Content text, not long reading |
| Black text on #588B7E | 5.40:1 | AA | Lc 37.9 | Non-text elements, placeholder text |
| #588B7E text on white | 3.88:1 | AA large text | Lc 66.2 | Content text, not long reading |
| #588B7E text on black | 5.40:1 | AA | Lc -35.5 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CFDDD9
oklch(88.6% 0.016 177)
-
Step 300
300
#AEC7C0
oklch(80.9% 0.029 176.9)
-
Step 400
400
#83AAA0
oklch(70.6% 0.045 177.5)
-
Step 500
500 (this color)
#588B7E
oklch(59.7% 0.059 176.3)
-
Step 600
600
#488072
oklch(55.7% 0.064 175.9)
-
Step 700
700
#396C60
oklch(49.2% 0.059 176.7)
-
Step 800
800
#2F584E
oklch(42.7% 0.05 176.3)
-
Step 900
900
#2B4841
oklch(37.6% 0.037 177.2)
-
Step 950
950
#192A26
oklch(26.9% 0.024 178)
#588B7E 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) | #87857D | 0.061 |
| Deuteranopia (no green cones) | #7F7F7F | 0.059 |
| Tritanopia (no blue cones) | #488C87 | 0.018 |
| Achromatopsia (no color) | #818181 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #588B7E
#588B7E
oklch(59.7% 0.059 176.3)
- #9C7180
#9C7180
oklch(59.6% 0.058 356.3)
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 #588B7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.017
- Slate Green #658D6D ΔE 0.030
- Sea #3C9992 ΔE 0.044
- Steel Grey #6F828A ΔE 0.046
- Grey Teal #5E9B8A ΔE 0.047
- Green Grey #77926F ΔE 0.050
- Dark Cyan #008B8B ΔE 0.051
- Teal Green #0A9396 ΔE 0.051
Use #588B7E 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.