#0D4773
Closest named color: Twilight Blue (#0A437A). oklch(38.7% 0.094 247.2), rgb(13, 71, 115).
Aa
White text reads best on this color (9.69:1).
About this color
#0D4773 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.094 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.019 away. White text reads best on it, at 9.69:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.16:1 |
| White text | 9.69:1 |
Values
| HEX | #0D4773 |
| RGB | rgb(13, 71, 115) |
| HSL | hsl(206, 80%, 25%) |
| OKLCH | oklch(38.7% 0.094 247.2) |
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 #0D4773 | 9.69:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #0D4773 | 2.16:1 | Fails | Lc 11.9 | Not readable |
| #0D4773 text on white | 9.69:1 | AAA | Lc 92.1 | Preferred for body text |
| #0D4773 text on black | 2.16:1 | Fails | Lc -10.3 | Not readable |
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 900.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C5DCF2
oklch(88.4% 0.039 247.1)
-
Step 300
300
#9CC5EC
oklch(80.8% 0.071 247.4)
-
Step 400
400
#63A7E3
oklch(70.8% 0.112 246.8)
-
Step 500
500
#308FDB
oklch(63.1% 0.144 247.2)
-
Step 600
600
#0078C4
oklch(55.7% 0.147 247.1)
-
Step 700
700
#0064A5
oklch(49% 0.13 247.2)
-
Step 800
800
#005289
oklch(42.7% 0.113 247.3)
-
Step 900
900 (this color)
#0D4773
oklch(38.7% 0.094 247.2)
-
Step 950
950
#092842
oklch(26.9% 0.06 247.8)
#0D4773 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) | #324975 | 0.034 |
| Deuteranopia (no green cones) | #234072 | 0.024 |
| Tritanopia (no blue cones) | #005257 | 0.068 |
| Achromatopsia (no color) | #444444 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D4773
#0D4773
oklch(38.7% 0.094 247.2)
- #623A00
#623A00
oklch(38.8% 0.085 67.6)
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 #0D4773, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.019
- Light Navy #155084 ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.043
- Dark Grey Blue #29465B ΔE 0.044
- Marine Blue #01386A ΔE 0.049
- Cobalt #1E488F ΔE 0.050
- Charcoal #264653 ΔE 0.056
- Dusk Blue #26538D ΔE 0.058
Use #0D4773 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.