#477DF8
Closest named color: Clear Blue (#247AFD). oklch(61.9% 0.193 263.8), rgb(71, 125, 248).
Aa
Black text reads best on this color (5.55:1).
About this color
#477DF8 is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.193 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.027 away. Black text reads best on it, at 5.55:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.193) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.55:1 |
| White text | 3.77:1 |
Values
| HEX | #477DF8 |
| RGB | rgb(71, 125, 248) |
| HSL | hsl(222, 93%, 63%) |
| OKLCH | oklch(61.9% 0.193 263.8) |
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 #477DF8 | 3.77:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #477DF8 | 5.55:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #477DF8 text on white | 3.77:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #477DF8 text on black | 5.55:1 | AA | Lc -36.8 | 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
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C8DAFD
oklch(88.6% 0.052 263.7)
-
Step 300
300
#A1C0FE
oklch(80.8% 0.095 263.8)
-
Step 400
400
#6F9DFE
oklch(70.6% 0.151 263.8)
-
Step 500
500 (this color)
#477DF8
oklch(61.9% 0.193 263.8)
-
Step 600
600
#2F66EC
oklch(55.6% 0.211 263.9)
-
Step 700
700
#2354CD
oklch(49.1% 0.195 263.9)
-
Step 800
800
#1E46A6
oklch(42.8% 0.161 263.8)
-
Step 900
900
#1D3C83
oklch(37.7% 0.125 263.7)
-
Step 950
950
#11244D
oklch(27.1% 0.08 263.3)
#477DF8 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) | #338CFC | 0.037 |
| Deuteranopia (no green cones) | #007CF6 | 0.035 |
| Tritanopia (no blue cones) | #009AAF | 0.153 |
| Achromatopsia (no color) | #838383 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #477DF8
#477DF8
oklch(61.9% 0.193 263.8)
- #AA7E00
#AA7E00
oklch(62% 0.127 83.9)
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 #477DF8, closest first.
No curated palette has a color within ΔE 0.04 of #477DF8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.027
- Cornflower #6A79F7 ΔE 0.037
- Dodger Blue #1E90FF ΔE 0.049
- Soft Blue #6488EA ΔE 0.050
- Dark Sky Blue #448EE4 ΔE 0.057
- Cerulean Blue #056EEE ΔE 0.059
- Royal Blue #4169E1 ΔE 0.060
- Chefchaouen Blue #4895EF ΔE 0.066
Use #477DF8 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.