#42938B
Closest named color: Dusty Teal (#4C9085). oklch(61.1% 0.08 186.6), rgb(66, 147, 139).
Aa
Black text reads best on this color (5.77:1).
About this color
#42938B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.080 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.012 away. Black text reads best on it, at 5.77:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.77:1 |
| White text | 3.63:1 |
Values
| HEX | #42938B |
| RGB | rgb(66, 147, 139) |
| HSL | hsl(174, 38%, 42%) |
| OKLCH | oklch(61.1% 0.08 186.6) |
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 #42938B | 3.63:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #42938B | 5.77:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #42938B text on white | 3.63:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #42938B text on black | 5.77:1 | AA | Lc -37.9 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CADEDB
oklch(88.5% 0.022 186)
-
Step 300
300
#A5C9C4
oklch(80.8% 0.039 186.1)
-
Step 400
400
#72AEA7
oklch(70.8% 0.063 186.6)
-
Step 500
500 (this color)
#42938B
oklch(61.1% 0.08 186.6)
-
Step 600
600
#23847B
oklch(55.7% 0.088 185.8)
-
Step 700
700
#136F68
oklch(49% 0.081 186.9)
-
Step 800
800
#155B55
oklch(42.8% 0.067 186.5)
-
Step 900
900
#1A4B46
oklch(37.8% 0.053 186)
-
Step 950
950
#112C29
oklch(27.1% 0.034 185.9)
#42938B 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) | #8C8C8B | 0.085 |
| Deuteranopia (no green cones) | #7F828C | 0.081 |
| Tritanopia (no blue cones) | #009690 | 0.026 |
| Achromatopsia (no color) | #868686 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42938B
#42938B
oklch(61.1% 0.08 186.6)
- #AD6F7B
#AD6F7B
oklch(61.1% 0.08 7.1)
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 #42938B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.012
- Sea #3C9992 ΔE 0.017
- Teal Green #0A9396 ΔE 0.028
- Blue Green #0F9B8E ΔE 0.029
- Persian Green #2A9D8F ΔE 0.030
- Grey Teal #5E9B8A ΔE 0.038
- Dark Cyan #008B8B ΔE 0.041
- Dull Teal #5F9E8F ΔE 0.045
Use #42938B 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.