#238577
Closest named color: Teal (#008080). oklch(55.8% 0.09 181.1), rgb(35, 133, 119).
Aa
Black text reads best on this color (4.69:1).
About this color
#238577 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.090 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.026 away. Black text reads best on it, at 4.69:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #238577 |
| RGB | rgb(35, 133, 119) |
| HSL | hsl(171, 58%, 33%) |
| OKLCH | oklch(55.8% 0.09 181.1) |
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 #238577 | 4.47:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #238577 | 4.69:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #238577 text on white | 4.47:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #238577 text on black | 4.69:1 | AA | Lc -31.0 | 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 600.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#CADEDA
oklch(88.5% 0.022 182.5)
-
Step 300
300
#A5CAC2
oklch(81% 0.041 180.6)
-
Step 400
400
#72AEA3
oklch(70.7% 0.065 181.6)
-
Step 500
500
#489A8C
oklch(63.1% 0.083 180.8)
-
Step 600
600 (this color)
#238577
oklch(55.8% 0.09 181.1)
-
Step 700
700
#117063
oklch(49.1% 0.084 180.6)
-
Step 800
800
#145B51
oklch(42.6% 0.069 181.2)
-
Step 900
900
#1A4B43
oklch(37.7% 0.054 180.7)
-
Step 950
950
#112C27
oklch(27% 0.035 179.9)
#238577 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) | #7F7D76 | 0.096 |
| Deuteranopia (no green cones) | #717378 | 0.090 |
| Tritanopia (no blue cones) | #008781 | 0.016 |
| Achromatopsia (no color) | #777777 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #238577
#238577
oklch(55.8% 0.09 181.1)
- #9F5D71
#9F5D71
oklch(55.9% 0.089 0.9)
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 #238577, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.026
- Dark Cyan #008B8B ΔE 0.030
- Bluegreen #017A79 ΔE 0.039
- Deep Aqua #08787F ΔE 0.048
- Viridian #1E9167 ΔE 0.051
- Dusty Teal #4C9085 ΔE 0.051
- Teal Green #0A9396 ΔE 0.053
- Sea Green #2E8B57 ΔE 0.056
Use #238577 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.