#0047E9
Closest named color: Vibrant Blue (#0339F8). oklch(48.8% 0.249 263.1), rgb(0, 71, 233).
Aa
White text reads best on this color (6.82:1).
About this color
#0047E9 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.249 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Vibrant Blue (#0339F8), ΔE 0.030 away. White text reads best on it, at 6.82:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.249) |
| Temperature | cool |
| Nearest name | Vibrant Blue (#0339F8) |
| Black text | 3.07:1 |
| White text | 6.82:1 |
Values
| HEX | #0047E9 |
| RGB | rgb(0, 71, 233) |
| HSL | hsl(222, 100%, 46%) |
| OKLCH | oklch(48.8% 0.249 263.1) |
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 #0047E9 | 6.82:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #0047E9 | 3.07:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #0047E9 text on white | 6.82:1 | AA | Lc 82.2 | Fine for body text |
| #0047E9 text on black | 3.07:1 | AA large text | Lc -19.7 | 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 700.
-
Step 50
50
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#DFEAFF
oklch(93.5% 0.031 263.5)
-
Step 200
200
#C6DAFF
oklch(88.5% 0.056 262.8)
-
Step 300
300
#A0C1FF
oklch(80.9% 0.095 262.7)
-
Step 400
400
#6D9EFF
oklch(70.8% 0.152 262.8)
-
Step 500
500
#4681FF
oklch(63.1% 0.198 263.1)
-
Step 600
600
#1B60FF
oklch(55.6% 0.245 263.1)
-
Step 700
700 (this color)
#0047E9
oklch(48.8% 0.249 263.1)
-
Step 800
800
#063DBD
oklch(42.7% 0.206 263.1)
-
Step 900
900
#0E3795
oklch(37.8% 0.161 263.1)
-
Step 950
950
#092157
oklch(26.9% 0.102 263.2)
#0047E9 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) | #0065EE | 0.066 |
| Deuteranopia (no green cones) | #0050E6 | 0.018 |
| Tritanopia (no blue cones) | #007593 | 0.187 |
| Achromatopsia (no color) | #5B5B5B | 0.249 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0047E9
#0047E9
oklch(48.8% 0.249 263.1)
- #7B5A00
#7B5A00
oklch(48.9% 0.1 83.7)
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 #0047E9, closest first.
No curated palette has a color within ΔE 0.04 of #0047E9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vibrant Blue #0339F8 ΔE 0.030
- Electric Blue #0652FF ΔE 0.043
- Vivid Blue #152EFF ΔE 0.046
- Azul #1D5DEC ΔE 0.051
- Light Royal Blue #3A2EFE ΔE 0.053
- Blue Blue #2242C7 ΔE 0.056
- Rich Blue #021BF9 ΔE 0.060
- Strong Blue #0C06F7 ΔE 0.070
Use #0047E9 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.