#388B8D
Closest named color: Dark Cyan (#008B8B). oklch(58.7% 0.079 197.4), rgb(56, 139, 141).
Aa
Black text reads best on this color (5.24:1).
About this color
#388B8D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.079 and its hue 197°. 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 5.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #388B8D |
| RGB | rgb(56, 139, 141) |
| HSL | hsl(181, 43%, 39%) |
| OKLCH | oklch(58.7% 0.079 197.4) |
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 #388B8D | 4.00:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #388B8D | 5.24:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #388B8D text on white | 4.00:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #388B8D text on black | 5.24:1 | AA | Lc -34.6 | 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
#CBDDDE
oklch(88.4% 0.019 200.8)
-
Step 300
300
#A7C8C9
oklch(80.9% 0.035 198.7)
-
Step 400
400
#76ACAD
oklch(70.7% 0.057 197.4)
-
Step 500
500
#4E9799
oklch(63% 0.073 197.8)
-
Step 600
600 (this color)
#388B8D
oklch(58.7% 0.079 197.4)
-
Step 700
700
#1E6D6F
oklch(49% 0.074 197.5)
-
Step 800
800
#1C595B
oklch(42.7% 0.061 198.2)
-
Step 900
900
#1E494A
oklch(37.6% 0.047 197.4)
-
Step 950
950
#132B2C
oklch(27% 0.03 199.1)
#388B8D 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) | #82858D | 0.082 |
| Deuteranopia (no green cones) | #747B8E | 0.076 |
| Tritanopia (no blue cones) | #008F8B | 0.024 |
| Achromatopsia (no color) | #7F7F7F | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #388B8D
#388B8D
oklch(58.7% 0.079 197.4)
- #A6696B
#A6696B
oklch(58.7% 0.079 17.6)
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 #388B8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.022
- Teal Green #0A9396 ΔE 0.026
- Dusty Teal #4C9085 ΔE 0.028
- Teal Blue #01889F ΔE 0.037
- Sea #3C9992 ΔE 0.042
- Teal #008080 ΔE 0.046
- Blue Green #0F9B8E ΔE 0.048
- Persian Green #2A9D8F ΔE 0.053
Use #388B8D 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.