#1376C6
Closest named color: Windows Blue (#3778BF). oklch(55.6% 0.149 249.8), rgb(19, 118, 198).
Aa
White text reads best on this color (4.73:1).
About this color
#1376C6 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.149 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.024 away. White text reads best on it, at 4.73:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.43:1 |
| White text | 4.73:1 |
Values
| HEX | #1376C6 |
| RGB | rgb(19, 118, 198) |
| HSL | hsl(207, 82%, 43%) |
| OKLCH | oklch(55.6% 0.149 249.8) |
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 #1376C6 | 4.73:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #1376C6 | 4.43:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #1376C6 text on white | 4.73:1 | AA | Lc 72.3 | Content text, not long reading |
| #1376C6 text on black | 4.43:1 | AA large text | Lc -29.4 | Dividers and decoration only |
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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C7DCF1
oklch(88.5% 0.037 248.2)
-
Step 300
300
#A0C5EB
oklch(81% 0.067 249.3)
-
Step 400
400
#6AA5E1
oklch(70.6% 0.108 250)
-
Step 500
500
#3E8ED9
oklch(63.2% 0.137 249.7)
-
Step 600
600 (this color)
#1376C6
oklch(55.6% 0.149 249.8)
-
Step 700
700
#0063AB
oklch(49.2% 0.138 249.7)
-
Step 800
800
#09518B
oklch(42.7% 0.115 249.9)
-
Step 900
900
#14446F
oklch(37.8% 0.089 249.5)
-
Step 950
950
#0E2841
oklch(27.1% 0.057 249.9)
#1376C6 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) | #4E7BC9 | 0.046 |
| Deuteranopia (no green cones) | #306CC4 | 0.028 |
| Tritanopia (no blue cones) | #008994 | 0.108 |
| Achromatopsia (no color) | #737373 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1376C6
#1376C6
oklch(55.6% 0.149 249.8)
- #9F6400
#9F6400
oklch(55.5% 0.12 69.8)
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 #1376C6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.024
- Nice Blue #107AB0 ΔE 0.039
- Mid Blue #276AB3 ΔE 0.040
- Water Blue #0E87CC ΔE 0.047
- Flat Blue #3C73A8 ΔE 0.049
- French Blue #436BAD ΔE 0.049
- Steel Blue #4682B4 ΔE 0.060
- Muted Blue #3B719F ΔE 0.062
Use #1376C6 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.