#4B71FE
Closest named color: Clear Blue (#247AFD). oklch(60.2% 0.214 267.9), rgb(75, 113, 254).
Aa
Black text reads best on this color (5.09:1).
About this color
#4B71FE is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.214 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.032 away. Black text reads best on it, at 5.09:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.214) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #4B71FE |
| RGB | rgb(75, 113, 254) |
| HSL | hsl(227, 99%, 65%) |
| OKLCH | oklch(60.2% 0.214 267.9) |
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 #4B71FE | 4.12:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #4B71FE | 5.09:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #4B71FE text on white | 4.12:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #4B71FE text on black | 5.09:1 | AA | Lc -33.8 | 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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#C9D9FF
oklch(88.6% 0.055 267.2)
-
Step 300
300
#A6BFFF
oklch(80.9% 0.095 267.8)
-
Step 400
400
#789BFF
oklch(70.8% 0.152 267.9)
-
Step 500
500 (this color)
#4B71FE
oklch(60.2% 0.214 267.9)
-
Step 600
600
#3C5EF8
oklch(55.6% 0.232 268)
-
Step 700
700
#2F4CD8
oklch(49.1% 0.215 267.9)
-
Step 800
800
#2740AF
oklch(42.8% 0.179 267.9)
-
Step 900
900
#23388A
oklch(37.7% 0.139 268.1)
-
Step 950
950
#142251
oklch(27.1% 0.088 267.6)
#4B71FE 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) | #0085FF | 0.054 |
| Deuteranopia (no green cones) | #0075FB | 0.039 |
| Tritanopia (no blue cones) | #0094AD | 0.172 |
| Achromatopsia (no color) | #7D7D7D | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B71FE
#4B71FE
oklch(60.2% 0.214 267.9)
- #9F7B00
#9F7B00
oklch(60.1% 0.123 88)
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 #4B71FE, closest first.
No curated palette has a color within ΔE 0.04 of #4B71FE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.032
- Cornflower #6A79F7 ΔE 0.045
- Neon Blue #4361EE ΔE 0.046
- Royal Blue #4169E1 ΔE 0.049
- Cerulean Blue #056EEE ΔE 0.051
- Bright Blue #0165FC ΔE 0.056
- Medium Slate Blue #7B68EE ΔE 0.065
- Azul #1D5DEC ΔE 0.071
Use #4B71FE 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.