#238F91
Closest named color: Teal Green (#0A9396). oklch(59.3% 0.092 196.8), rgb(35, 143, 145).
Aa
Black text reads best on this color (5.40:1).
About this color
#238F91 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.092 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.012 away. Black text reads best on it, at 5.40:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 5.40:1 |
| White text | 3.88:1 |
Values
| HEX | #238F91 |
| RGB | rgb(35, 143, 145) |
| HSL | hsl(181, 61%, 35%) |
| OKLCH | oklch(59.3% 0.092 196.8) |
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 #238F91 | 3.88:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #238F91 | 5.40:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #238F91 text on white | 3.88:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #238F91 text on black | 5.40:1 | AA | Lc -35.8 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEC
oklch(93.5% 0.012 197)
-
Step 200
200
#C8DEDE
oklch(88.4% 0.023 196.7)
-
Step 300
300
#A2C9CA
oklch(80.8% 0.041 198.3)
-
Step 400
400
#6DAEAF
oklch(70.8% 0.067 197)
-
Step 500
500
#3F999B
oklch(63% 0.085 197.2)
-
Step 600
600 (this color)
#238F91
oklch(59.3% 0.092 196.8)
-
Step 700
700
#006F71
oklch(49.1% 0.084 197)
-
Step 800
800
#055B5C
oklch(42.8% 0.071 196.1)
-
Step 900
900
#144B4C
oklch(37.9% 0.056 196.8)
-
Step 950
950
#0E2C2C
oklch(27.1% 0.035 195.3)
#238F91 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) | #858891 | 0.096 |
| Deuteranopia (no green cones) | #757C92 | 0.090 |
| Tritanopia (no blue cones) | #00948F | 0.018 |
| Achromatopsia (no color) | #818181 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #238F91
#238F91
oklch(59.3% 0.092 196.8)
- #AE676B
#AE676B
oklch(59.4% 0.091 16.6)
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 #238F91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.012
- Dark Cyan #008B8B ΔE 0.018
- Dusty Teal #4C9085 ΔE 0.032
- Sea #3C9992 ΔE 0.036
- Teal Blue #01889F ΔE 0.036
- Blue Green #0F9B8E ΔE 0.038
- Persian Green #2A9D8F ΔE 0.045
- Teal #008080 ΔE 0.050
Use #238F91 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.