#388BA3
Closest named color: Teal Blue (#01889F). oklch(59.6% 0.087 220.2), rgb(56, 139, 163).
Aa
Black text reads best on this color (5.39:1).
About this color
#388BA3 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.087 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.026 away. Black text reads best on it, at 5.39:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #388BA3 |
| RGB | rgb(56, 139, 163) |
| HSL | hsl(193, 49%, 43%) |
| OKLCH | oklch(59.6% 0.087 220.2) |
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 #388BA3 | 3.89:1 | AA large text | Lc -71.7 | Content text, not long reading |
| Black text on #388BA3 | 5.39:1 | AA | Lc 37.9 | Non-text elements, placeholder text |
| #388BA3 text on white | 3.89:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #388BA3 text on black | 5.39:1 | AA | Lc -35.5 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A3C8D4
oklch(81% 0.043 219.5)
-
Step 400
400
#6FABBE
oklch(70.7% 0.068 219.9)
-
Step 500
500 (this color)
#388BA3
oklch(59.6% 0.087 220.2)
-
Step 600
600
#1B809A
oklch(55.7% 0.095 220.2)
-
Step 700
700
#076C83
oklch(49.2% 0.088 219.7)
-
Step 800
800
#0F586A
oklch(42.7% 0.072 219.4)
-
Step 900
900
#174856
oklch(37.6% 0.057 220.3)
-
Step 950
950
#102A33
oklch(26.9% 0.036 223.3)
#388BA3 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) | #7C87A4 | 0.072 |
| Deuteranopia (no green cones) | #6D7CA3 | 0.065 |
| Tritanopia (no blue cones) | #009393 | 0.045 |
| Achromatopsia (no color) | #818181 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #388BA3
#388BA3
oklch(59.6% 0.087 220.2)
- #AB6D57
#AB6D57
oklch(59.6% 0.086 40.3)
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 #388BA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.026
- Blue NCS #118AB2 ΔE 0.029
- Dusty Blue #5A86AD ΔE 0.039
- Off Blue #5684AE ΔE 0.040
- Teal Green #0A9396 ΔE 0.040
- Steel Blue #4682B4 ΔE 0.044
- Cerulean #457B9D ΔE 0.045
- Cool Blue #4984B8 ΔE 0.046
Use #388BA3 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.