#0380C0
Closest named color: Water Blue (#0E87CC). oklch(57.4% 0.134 241.6), rgb(3, 128, 192).
Aa
Black text reads best on this color (4.85:1).
About this color
#0380C0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.134 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.025 away. Black text reads best on it, at 4.85:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #0380C0 |
| RGB | rgb(3, 128, 192) |
| HSL | hsl(200, 97%, 38%) |
| OKLCH | oklch(57.4% 0.134 241.6) |
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 #0380C0 | 4.32:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #0380C0 | 4.85:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #0380C0 text on white | 4.32:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #0380C0 text on black | 4.85:1 | AA | Lc -32.3 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C6DCEE
oklch(88.4% 0.034 242.7)
-
Step 300
300
#9FC6E5
oklch(80.9% 0.061 242.5)
-
Step 400
400
#67A8D8
oklch(70.7% 0.097 241.9)
-
Step 500
500
#3691CD
oklch(63% 0.124 241.8)
-
Step 600
600 (this color)
#0380C0
oklch(57.4% 0.134 241.6)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#0E4668
oklch(37.7% 0.08 241.3)
-
Step 950
950
#0B293D
oklch(27% 0.051 241.6)
#0380C0 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) | #6182C3 | 0.064 |
| Deuteranopia (no green cones) | #4973BF | 0.047 |
| Tritanopia (no blue cones) | #009097 | 0.090 |
| Achromatopsia (no color) | #797979 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0380C0
#0380C0
oklch(57.4% 0.134 241.6)
- #AF6300
#AF6300
oklch(57.4% 0.133 61.5)
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 #0380C0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.025
- Nice Blue #107AB0 ΔE 0.027
- Windows Blue #3778BF ΔE 0.028
- Steel Blue #4682B4 ΔE 0.039
- Blue NCS #118AB2 ΔE 0.041
- Cool Blue #4984B8 ΔE 0.041
- Flat Blue #3C73A8 ΔE 0.048
- Off Blue #5684AE ΔE 0.058
Use #0380C0 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.