#0D71D1
Closest named color: Windows Blue (#3778BF). oklch(55.1% 0.169 253.9), rgb(13, 113, 209).
Aa
White text reads best on this color (4.88:1).
About this color
#0D71D1 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.169 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.043 away. White text reads best on it, at 4.88:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.29:1 |
| White text | 4.88:1 |
Values
| HEX | #0D71D1 |
| RGB | rgb(13, 113, 209) |
| HSL | hsl(209, 88%, 44%) |
| OKLCH | oklch(55.1% 0.169 253.9) |
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 #0D71D1 | 4.88:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #0D71D1 | 4.29:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #0D71D1 text on white | 4.88:1 | AA | Lc 73.2 | Content text, not long reading |
| #0D71D1 text on black | 4.29:1 | AA large text | Lc -28.5 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C6DBF5
oklch(88.4% 0.042 253.8)
-
Step 300
300
#9FC4F1
oklch(80.9% 0.075 253.6)
-
Step 400
400
#69A4EB
oklch(70.8% 0.122 253.9)
-
Step 500
500
#3C8BE5
oklch(63.2% 0.156 253.9)
-
Step 600
600 (this color)
#0D71D1
oklch(55.1% 0.169 253.9)
-
Step 700
700
#0060B6
oklch(49.2% 0.156 253.8)
-
Step 800
800
#074E94
oklch(42.6% 0.131 254.1)
-
Step 900
900
#134276
oklch(37.8% 0.102 254)
-
Step 950
950
#0D2745
oklch(27% 0.064 254)
#0D71D1 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) | #3B7AD5 | 0.038 |
| Deuteranopia (no green cones) | #0069CF | 0.022 |
| Tritanopia (no blue cones) | #008897 | 0.125 |
| Achromatopsia (no color) | #717171 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D71D1
#0D71D1
oklch(55.1% 0.169 253.9)
- #9A6600
#9A6600
oklch(55.2% 0.117 74.2)
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 #0D71D1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.043
- Royal Blue #4169E1 ΔE 0.044
- Cerulean Blue #056EEE ΔE 0.046
- Mid Blue #276AB3 ΔE 0.048
- French Blue #436BAD ΔE 0.061
- Nice Blue #107AB0 ΔE 0.062
- Water Blue #0E87CC ΔE 0.063
- Azul #1D5DEC ΔE 0.066
Use #0D71D1 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.