#478DF5
Closest named color: Chefchaouen Blue (#4895EF). oklch(65% 0.171 258.3), rgb(71, 141, 245).
Aa
Black text reads best on this color (6.39:1).
About this color
#478DF5 is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.171 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.025 away. Black text reads best on it, at 6.39:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.39:1 |
| White text | 3.28:1 |
Values
| HEX | #478DF5 |
| RGB | rgb(71, 141, 245) |
| HSL | hsl(216, 90%, 62%) |
| OKLCH | oklch(65% 0.171 258.3) |
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 #478DF5 | 3.28:1 | AA large text | Lc -65.2 | Content text, not long reading |
| Black text on #478DF5 | 6.39:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #478DF5 text on white | 3.28:1 | AA large text | Lc 59.8 | Large or bold text, headings |
| #478DF5 text on black | 6.39:1 | AA | Lc -41.9 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C7DBF8
oklch(88.6% 0.046 257.6)
-
Step 300
300
#A0C3F7
oklch(81% 0.083 258.1)
-
Step 400
400
#6BA1F3
oklch(70.7% 0.134 258.5)
-
Step 500
500 (this color)
#478DF5
oklch(65% 0.171 258.3)
-
Step 600
600
#1E6EDD
oklch(55.6% 0.186 258.3)
-
Step 700
700
#105BC0
oklch(49.1% 0.173 258.4)
-
Step 800
800
#124B9B
oklch(42.7% 0.143 258.4)
-
Step 900
900
#17407B
oklch(37.8% 0.11 258.1)
-
Step 950
950
#0F2648
oklch(27.1% 0.07 258.2)
#478DF5 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) | #5A97F9 | 0.034 |
| Deuteranopia (no green cones) | #3B86F3 | 0.022 |
| Tritanopia (no blue cones) | #00A5B5 | 0.134 |
| Achromatopsia (no color) | #8E8E8E | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478DF5
#478DF5
oklch(65% 0.171 258.3)
- #BB8300
#BB8300
oklch(64.9% 0.135 78.5)
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 #478DF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.025
- Dodger Blue #1E90FF ΔE 0.025
- Dark Sky Blue #448EE4 ΔE 0.027
- Soft Blue #6488EA ΔE 0.031
- Cornflower Blue #6495ED ΔE 0.040
- Cornflower #6A79F7 ΔE 0.057
- Clear Blue #247AFD ΔE 0.060
- Water Blue #0E87CC ΔE 0.073
Use #478DF5 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.