#388AA3
Closest named color: Teal Blue (#01889F). oklch(59.4% 0.087 221.3), rgb(56, 138, 163).
Aa
Black text reads best on this color (5.33:1).
About this color
#388AA3 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.087 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.025 away. Black text reads best on it, at 5.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #388AA3 |
| RGB | rgb(56, 138, 163) |
| HSL | hsl(194, 49%, 43%) |
| OKLCH | oklch(59.4% 0.087 221.3) |
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 #388AA3 | 3.93:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #388AA3 | 5.33:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #388AA3 text on white | 3.93:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #388AA3 text on black | 5.33:1 | AA | Lc -35.1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
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
#A3C7D4
oklch(80.8% 0.043 221.8)
-
Step 400
400
#6FABBF
oklch(70.8% 0.069 221)
-
Step 500
500 (this color)
#388AA3
oklch(59.4% 0.087 221.3)
-
Step 600
600
#1C7F9A
oklch(55.5% 0.094 221.4)
-
Step 700
700
#0A6B84
oklch(49% 0.088 222)
-
Step 800
800
#10586B
oklch(42.8% 0.073 220.7)
-
Step 900
900
#184857
oklch(37.6% 0.057 222.2)
-
Step 950
950
#102A33
oklch(26.9% 0.036 223.3)
#388AA3 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) | #7B87A4 | 0.071 |
| Deuteranopia (no green cones) | #6C7BA3 | 0.064 |
| Tritanopia (no blue cones) | #009292 | 0.046 |
| Achromatopsia (no color) | #808080 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #388AA3
#388AA3
oklch(59.4% 0.087 221.3)
- #AA6C55
#AA6C55
oklch(59.2% 0.087 41.1)
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 #388AA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.025
- Blue NCS #118AB2 ΔE 0.028
- Dusty Blue #5A86AD ΔE 0.038
- Off Blue #5684AE ΔE 0.038
- Steel Blue #4682B4 ΔE 0.042
- Teal Green #0A9396 ΔE 0.042
- Cerulean #457B9D ΔE 0.042
- Stormy Blue #507B9C ΔE 0.044
Use #388AA3 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.