#378984
Closest named color: Dark Cyan (#008B8B). oklch(57.9% 0.079 189.7), rgb(55, 137, 132).
Aa
Black text reads best on this color (5.07:1).
About this color
#378984 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.079 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.021 away. Black text reads best on it, at 5.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 5.07:1 |
| White text | 4.13:1 |
Values
| HEX | #378984 |
| RGB | rgb(55, 137, 132) |
| HSL | hsl(176, 43%, 38%) |
| OKLCH | oklch(57.9% 0.079 189.7) |
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 #378984 | 4.13:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #378984 | 5.07:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #378984 text on white | 4.13:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #378984 text on black | 5.07:1 | AA | Lc -33.4 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CBDEDC
oklch(88.6% 0.02 189.2)
-
Step 300
300
#A7C8C5
oklch(80.8% 0.036 189.7)
-
Step 400
400
#76ACA8
oklch(70.6% 0.057 190.1)
-
Step 500
500
#509893
oklch(63.2% 0.073 189.6)
-
Step 600
600 (this color)
#378984
oklch(57.9% 0.079 189.7)
-
Step 700
700
#206E6A
oklch(49.1% 0.074 190.1)
-
Step 800
800
#1E5A56
oklch(42.8% 0.061 188.9)
-
Step 900
900
#1F4A47
oklch(37.8% 0.048 189.2)
-
Step 950
950
#132B2A
oklch(26.9% 0.03 192)
#378984 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) | #828284 | 0.085 |
| Deuteranopia (no green cones) | #757985 | 0.079 |
| Tritanopia (no blue cones) | #008C87 | 0.020 |
| Achromatopsia (no color) | #7D7D7D | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378984
#378984
oklch(57.9% 0.079 189.7)
- #A3666F
#A3666F
oklch(57.9% 0.079 10.2)
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 #378984, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.021
- Dusty Teal #4C9085 ΔE 0.029
- Teal Green #0A9396 ΔE 0.034
- Teal #008080 ΔE 0.039
- Teal Blue #01889F ΔE 0.046
- Sea #3C9992 ΔE 0.048
- Blue Green #0F9B8E ΔE 0.051
- Bluegreen #017A79 ΔE 0.056
Use #378984 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.