#378D86
Closest named color: Dusty Teal (#4C9085). oklch(59% 0.083 187.8), rgb(55, 141, 134).
Aa
Black text reads best on this color (5.31:1).
About this color
#378D86 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.083 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.020 away. Black text reads best on it, at 5.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.31:1 |
| White text | 3.94:1 |
Values
| HEX | #378D86 |
| RGB | rgb(55, 141, 134) |
| HSL | hsl(175, 44%, 38%) |
| OKLCH | oklch(59% 0.083 187.8) |
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 #378D86 | 3.94:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #378D86 | 5.31:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #378D86 text on white | 3.94:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #378D86 text on black | 5.31:1 | AA | Lc -35.0 | 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
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A6C9C5
oklch(80.9% 0.038 187.9)
-
Step 400
400
#75ADA7
oklch(70.7% 0.059 187.5)
-
Step 500
500
#4D9892
oklch(63% 0.075 188.6)
-
Step 600
600 (this color)
#378D86
oklch(59% 0.083 187.8)
-
Step 700
700
#1C6F69
oklch(49.2% 0.077 187.8)
-
Step 800
800
#1B5A55
oklch(42.7% 0.063 187.6)
-
Step 900
900
#1D4A46
oklch(37.6% 0.05 187.4)
-
Step 950
950
#132B29
oklch(26.9% 0.03 188.5)
#378D86 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) | #868686 | 0.088 |
| Deuteranopia (no green cones) | #787C87 | 0.082 |
| Tritanopia (no blue cones) | #00908B | 0.020 |
| Achromatopsia (no color) | #808080 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378D86
#378D86
oklch(59% 0.083 187.8)
- #A76874
#A76874
oklch(58.9% 0.082 7.5)
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 #378D86, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.020
- Dark Cyan #008B8B ΔE 0.023
- Teal Green #0A9396 ΔE 0.027
- Sea #3C9992 ΔE 0.037
- Blue Green #0F9B8E ΔE 0.040
- Persian Green #2A9D8F ΔE 0.045
- Teal #008080 ΔE 0.049
- Teal Blue #01889F ΔE 0.049
Use #378D86 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.