#388FA3
Closest named color: Teal Blue (#01889F). oklch(60.6% 0.087 215.7), rgb(56, 143, 163).
Aa
Black text reads best on this color (5.62:1).
About this color
#388FA3 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.087 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.033 away. Black text reads best on it, at 5.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #388FA3 |
| RGB | rgb(56, 143, 163) |
| HSL | hsl(191, 49%, 43%) |
| OKLCH | oklch(60.6% 0.087 215.7) |
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 #388FA3 | 3.73:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #388FA3 | 5.62:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #388FA3 text on white | 3.73:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #388FA3 text on black | 5.62:1 | AA | Lc -37.0 | 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
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE3
oklch(88.4% 0.023 217.7)
-
Step 300
300
#A2C8D2
oklch(80.9% 0.043 215.5)
-
Step 400
400
#6DACBC
oklch(70.8% 0.069 215.6)
-
Step 500
500 (this color)
#388FA3
oklch(60.6% 0.087 215.7)
-
Step 600
600
#138196
oklch(55.7% 0.094 215.1)
-
Step 700
700
#006D80
oklch(49.2% 0.087 215.3)
-
Step 800
800
#095968
oklch(42.8% 0.073 214.9)
-
Step 900
900
#154955
oklch(37.7% 0.057 216.3)
-
Step 950
950
#0F2B32
oklch(27.1% 0.036 216.6)
#388FA3 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) | #818BA4 | 0.077 |
| Deuteranopia (no green cones) | #727FA3 | 0.070 |
| Tritanopia (no blue cones) | #009695 | 0.040 |
| Achromatopsia (no color) | #848484 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #388FA3
#388FA3
oklch(60.6% 0.087 215.7)
- #AF6F5E
#AF6F5E
oklch(60.6% 0.086 35.6)
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 #388FA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.033
- Teal Green #0A9396 ΔE 0.033
- Blue NCS #118AB2 ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.044
- Sea #3C9992 ΔE 0.046
- Dark Cyan #008B8B ΔE 0.046
- Off Blue #5684AE ΔE 0.047
- Dusty Teal #4C9085 ΔE 0.048
Use #388FA3 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.