#388C8B
Closest named color: Dark Cyan (#008B8B). oklch(58.9% 0.08 194.1), rgb(56, 140, 139).
Aa
Black text reads best on this color (5.29:1).
About this color
#388C8B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.080 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.022 away. Black text reads best on it, at 5.29:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #388C8B |
| RGB | rgb(56, 140, 139) |
| HSL | hsl(179, 43%, 38%) |
| OKLCH | oklch(58.9% 0.08 194.1) |
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 #388C8B | 3.96:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #388C8B | 5.29:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #388C8B text on white | 3.96:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #388C8B text on black | 5.29:1 | AA | Lc -34.9 | 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 600.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CBDEDD
oklch(88.6% 0.02 193)
-
Step 300
300
#A7C8C7
oklch(80.8% 0.035 194.2)
-
Step 400
400
#75ACAB
oklch(70.6% 0.058 194.5)
-
Step 500
500
#4E9897
oklch(63.2% 0.074 194.3)
-
Step 600
600 (this color)
#388C8B
oklch(58.9% 0.08 194.1)
-
Step 700
700
#1D6E6D
oklch(49.1% 0.075 193.8)
-
Step 800
800
#1C5A59
oklch(42.9% 0.062 193.6)
-
Step 900
900
#1E4A49
oklch(37.8% 0.048 193.3)
-
Step 950
950
#132B2B
oklch(27% 0.03 195.5)
#388C8B 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) | #84858B | 0.085 |
| Deuteranopia (no green cones) | #767B8C | 0.079 |
| Tritanopia (no blue cones) | #00908B | 0.022 |
| Achromatopsia (no color) | #808080 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #388C8B
#388C8B
oklch(58.9% 0.08 194.1)
- #A7696E
#A7696E
oklch(58.9% 0.08 14.5)
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 #388C8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.022
- Dusty Teal #4C9085 ΔE 0.024
- Teal Green #0A9396 ΔE 0.025
- Sea #3C9992 ΔE 0.038
- Teal Blue #01889F ΔE 0.041
- Blue Green #0F9B8E ΔE 0.045
- Teal #008080 ΔE 0.048
- Persian Green #2A9D8F ΔE 0.049
Use #388C8B 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.