#588A7E
Closest named color: Dusty Teal (#4C9085). oklch(59.4% 0.057 177.4), rgb(88, 138, 126).
Aa
Black text reads best on this color (5.35:1).
About this color
#588A7E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.057 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.019 away. Black text reads best on it, at 5.35:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.35:1 |
| White text | 3.92:1 |
Values
| HEX | #588A7E |
| RGB | rgb(88, 138, 126) |
| HSL | hsl(166, 22%, 44%) |
| OKLCH | oklch(59.4% 0.057 177.4) |
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 #588A7E | 3.92:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #588A7E | 5.35:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #588A7E text on white | 3.92:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #588A7E text on black | 5.35:1 | AA | Lc -35.1 | 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
#E4ECEA
oklch(93.6% 0.009 179.6)
-
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)
#588A7E
oklch(59.4% 0.057 177.4)
-
Step 600
600
#487F73
oklch(55.5% 0.062 178.3)
-
Step 700
700
#396C60
oklch(49.2% 0.059 176.7)
-
Step 800
800
#30584F
oklch(42.8% 0.048 177.7)
-
Step 900
900
#2B4841
oklch(37.6% 0.037 177.2)
-
Step 950
950
#1A2A26
oklch(26.9% 0.023 177.2)
#588A7E 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) | #86847E | 0.060 |
| Deuteranopia (no green cones) | #7E7E7F | 0.058 |
| Tritanopia (no blue cones) | #498B86 | 0.017 |
| Achromatopsia (no color) | #808080 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #588A7E
#588A7E
oklch(59.4% 0.057 177.4)
- #9B717F
#9B717F
oklch(59.5% 0.056 357.2)
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 #588A7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.019
- Slate Green #658D6D ΔE 0.032
- Steel Grey #6F828A ΔE 0.044
- Sea #3C9992 ΔE 0.046
- Grey Teal #5E9B8A ΔE 0.050
- Dark Cyan #008B8B ΔE 0.050
- Battleship Grey #6B7C85 ΔE 0.051
- Teal Green #0A9396 ΔE 0.052
Use #588A7E 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.