#388CA5
Closest named color: Blue NCS (#118AB2). oklch(60% 0.088 220.9), rgb(56, 140, 165).
Aa
Black text reads best on this color (5.46:1).
About this color
#388CA5 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.088 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.028 away. Black text reads best on it, at 5.46:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.46:1 |
| White text | 3.84:1 |
Values
| HEX | #388CA5 |
| RGB | rgb(56, 140, 165) |
| HSL | hsl(194, 49%, 43%) |
| OKLCH | oklch(60% 0.088 220.9) |
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 #388CA5 | 3.84:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #388CA5 | 5.46:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #388CA5 text on white | 3.84:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #388CA5 text on black | 5.46:1 | AA | Lc -36.0 | 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
#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
#6EABBF
oklch(70.7% 0.069 220.7)
-
Step 500
500 (this color)
#388CA5
oklch(60% 0.088 220.9)
-
Step 600
600
#19809B
oklch(55.7% 0.096 220.9)
-
Step 700
700
#046C84
oklch(49.2% 0.089 220.5)
-
Step 800
800
#0D586B
oklch(42.7% 0.074 220.3)
-
Step 900
900
#174857
oklch(37.6% 0.057 221.9)
-
Step 950
950
#0F2A33
oklch(26.8% 0.037 222.6)
#388CA5 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) | #7D88A6 | 0.073 |
| Deuteranopia (no green cones) | #6E7DA5 | 0.066 |
| Tritanopia (no blue cones) | #009494 | 0.046 |
| Achromatopsia (no color) | #828282 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #388CA5
#388CA5
oklch(60% 0.088 220.9)
- #AD6E57
#AD6E57
oklch(60% 0.088 40.8)
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 #388CA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.028
- Teal Blue #01889F ΔE 0.028
- Dusty Blue #5A86AD ΔE 0.038
- Off Blue #5684AE ΔE 0.039
- Teal Green #0A9396 ΔE 0.041
- Steel Blue #4682B4 ΔE 0.043
- Cool Blue #4984B8 ΔE 0.045
- Cerulean #457B9D ΔE 0.048
Use #388CA5 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.