#477FFF
Closest named color: Clear Blue (#247AFD). oklch(62.8% 0.2 263.8), rgb(71, 127, 255).
Aa
Black text reads best on this color (5.74:1).
About this color
#477FFF is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.200 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.029 away. Black text reads best on it, at 5.74:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.200) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.74:1 |
| White text | 3.65:1 |
Values
| HEX | #477FFF |
| RGB | rgb(71, 127, 255) |
| HSL | hsl(222, 100%, 64%) |
| OKLCH | oklch(62.8% 0.2 263.8) |
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 #477FFF | 3.65:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #477FFF | 5.74:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #477FFF text on white | 3.65:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #477FFF text on black | 5.74:1 | AA | Lc -38.0 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFD
oklch(93.5% 0.028 263.4)
-
Step 200
200
#C7DAFE
oklch(88.6% 0.054 263.2)
-
Step 300
300
#A1C0FF
oklch(80.8% 0.096 264.1)
-
Step 400
400
#6F9DFF
oklch(70.7% 0.152 263.9)
-
Step 500
500 (this color)
#477FFF
oklch(62.8% 0.2 263.8)
-
Step 600
600
#2C65F0
oklch(55.6% 0.218 263.8)
-
Step 700
700
#2053D1
oklch(49.2% 0.202 263.7)
-
Step 800
800
#1C45A9
oklch(42.8% 0.167 263.8)
-
Step 900
900
#1C3B85
oklch(37.6% 0.13 264)
-
Step 950
950
#11234E
oklch(26.9% 0.083 264.4)
#477FFF 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) | #2F8FFF | 0.040 |
| Deuteranopia (no green cones) | #007EFC | 0.034 |
| Tritanopia (no blue cones) | #009EB3 | 0.160 |
| Achromatopsia (no color) | #868686 | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #477FFF
#477FFF
oklch(62.8% 0.2 263.8)
- #AD8000
#AD8000
oklch(62.7% 0.129 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 #477FFF, closest first.
No curated palette has a color within ΔE 0.04 of #477FFF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.029
- Cornflower #6A79F7 ΔE 0.039
- Dodger Blue #1E90FF ΔE 0.045
- Soft Blue #6488EA ΔE 0.052
- Dark Sky Blue #448EE4 ΔE 0.060
- Chefchaouen Blue #4895EF ΔE 0.065
- Cerulean Blue #056EEE ΔE 0.066
- Royal Blue #4169E1 ΔE 0.069
Use #477FFF 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.