#478EFF
Closest named color: Dodger Blue (#1E90FF). oklch(65.8% 0.183 259.4), rgb(71, 142, 255).
Aa
Black text reads best on this color (6.58:1).
About this color
#478EFF is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.183 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.022 away. Black text reads best on it, at 6.58:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.58:1 |
| White text | 3.19:1 |
Values
| HEX | #478EFF |
| RGB | rgb(71, 142, 255) |
| HSL | hsl(217, 100%, 64%) |
| OKLCH | oklch(65.8% 0.183 259.4) |
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 #478EFF | 3.19:1 | AA large text | Lc -64.1 | Content text, not long reading |
| Black text on #478EFF | 6.58:1 | AA | Lc 45.4 | Large or bold text, headings |
| #478EFF text on white | 3.19:1 | AA large text | Lc 58.7 | Large or bold text, headings |
| #478EFF text on black | 6.58:1 | AA | Lc -43.0 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DBFB
oklch(88.6% 0.05 258.7)
-
Step 300
300
#9EC2FB
oklch(80.9% 0.09 259.4)
-
Step 400
400
#69A0F9
oklch(70.7% 0.144 259.6)
-
Step 500
500 (this color)
#478EFF
oklch(65.8% 0.183 259.4)
-
Step 600
600
#1B6CE4
oklch(55.6% 0.198 259.3)
-
Step 700
700
#0C59C7
oklch(49.2% 0.185 259.4)
-
Step 800
800
#0F49A1
oklch(42.6% 0.154 259.6)
-
Step 900
900
#153F7F
oklch(37.8% 0.118 259)
-
Step 950
950
#0E254B
oklch(27% 0.076 259.9)
#478EFF 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) | #5499FF | 0.033 |
| Deuteranopia (no green cones) | #2F88FD | 0.025 |
| Tritanopia (no blue cones) | #00A9BA | 0.144 |
| Achromatopsia (no color) | #909090 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478EFF
#478EFF
oklch(65.8% 0.183 259.4)
- #BD8600
#BD8600
oklch(65.8% 0.136 79.6)
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 #478EFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.022
- Chefchaouen Blue #4895EF ΔE 0.033
- Soft Blue #6488EA ΔE 0.039
- Dark Sky Blue #448EE4 ΔE 0.041
- Cornflower Blue #6495ED ΔE 0.045
- Cornflower #6A79F7 ΔE 0.057
- Clear Blue #247AFD ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.075
Use #478EFF 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.