#0047A6
Closest named color: Sapphire (#2138AB). oklch(42.4% 0.165 259.1), rgb(0, 71, 166).
Aa
White text reads best on this color (8.56:1).
About this color
#0047A6 is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.165 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.037 away. White text reads best on it, at 8.56:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.45:1 |
| White text | 8.56:1 |
Values
| HEX | #0047A6 |
| RGB | rgb(0, 71, 166) |
| HSL | hsl(214, 100%, 33%) |
| OKLCH | oklch(42.4% 0.165 259.1) |
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 #0047A6 | 8.56:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #0047A6 | 2.45:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #0047A6 text on white | 8.56:1 | AAA | Lc 88.6 | Fine for body text |
| #0047A6 text on black | 2.45:1 | Fails | Lc -13.6 | 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 800.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C4DBFD
oklch(88.5% 0.053 258)
-
Step 300
300
#9BC2FF
oklch(80.8% 0.097 259.2)
-
Step 400
400
#63A0FF
oklch(70.7% 0.154 259)
-
Step 500
500
#3584FE
oklch(63.1% 0.198 259.2)
-
Step 600
600
#036AED
oklch(55.6% 0.214 259)
-
Step 700
700
#0058CA
oklch(49.1% 0.191 259.1)
-
Step 800
800 (this color)
#0047A6
oklch(42.4% 0.165 259.1)
-
Step 900
900
#0E3E84
oklch(37.8% 0.128 258.8)
-
Step 950
950
#0B254D
oklch(27% 0.081 259)
#0047A6 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) | #0053A9 | 0.032 |
| Deuteranopia (no green cones) | #0046A4 | 0.004 |
| Tritanopia (no blue cones) | #005F6F | 0.125 |
| Achromatopsia (no color) | #4C4C4C | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0047A6
#0047A6
oklch(42.4% 0.165 259.1)
- #684700
#684700
oklch(42.4% 0.088 78.4)
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 #0047A6, closest first.
No curated palette has a color within ΔE 0.04 of #0047A6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.037
- Cobalt #1E488F ΔE 0.040
- Blue Blue #2242C7 ΔE 0.057
- Dusk Blue #26538D ΔE 0.061
- Light Navy #155084 ΔE 0.065
- Blueberry #464196 ΔE 0.066
- Twilight Blue #0A437A ΔE 0.073
- Deep Sea Blue #015482 ΔE 0.074
Use #0047A6 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.