#4F70FE
Closest named color: Clear Blue (#247AFD). oklch(60.2% 0.214 269.1), rgb(79, 112, 254).
Aa
Black text reads best on this color (5.08:1).
About this color
#4F70FE is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.214 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.036 away. Black text reads best on it, at 5.08:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.214) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.08:1 |
| White text | 4.13:1 |
Values
| HEX | #4F70FE |
| RGB | rgb(79, 112, 254) |
| HSL | hsl(229, 99%, 65%) |
| OKLCH | oklch(60.2% 0.214 269.1) |
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 #4F70FE | 4.13:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #4F70FE | 5.08:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #4F70FE text on white | 4.13:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #4F70FE text on black | 5.08:1 | AA | Lc -33.7 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#CAD8FF
oklch(88.4% 0.056 269.7)
-
Step 300
300
#A7BEFF
oklch(80.8% 0.096 269.2)
-
Step 400
400
#7A9AFF
oklch(70.7% 0.152 269)
-
Step 500
500 (this color)
#4F70FE
oklch(60.2% 0.214 269.1)
-
Step 600
600
#405DF8
oklch(55.6% 0.232 269)
-
Step 700
700
#334BD8
oklch(49.1% 0.216 269)
-
Step 800
800
#2A3FAF
oklch(42.8% 0.179 269)
-
Step 900
900
#25378A
oklch(37.6% 0.14 269.2)
-
Step 950
950
#152151
oklch(26.9% 0.089 269)
#4F70FE 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 | 0.058 |
| Deuteranopia (no green cones) | #0075FB | 0.044 |
| Tritanopia (no blue cones) | #0093AC | 0.174 |
| Achromatopsia (no color) | #7D7D7D | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F70FE
#4F70FE
oklch(60.2% 0.214 269.1)
- #9E7C00
#9E7C00
oklch(60.2% 0.123 89.4)
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 #4F70FE, closest first.
No curated palette has a color within ΔE 0.04 of #4F70FE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.036
- Cornflower #6A79F7 ΔE 0.043
- Neon Blue #4361EE ΔE 0.046
- Royal Blue #4169E1 ΔE 0.050
- Cerulean Blue #056EEE ΔE 0.054
- Bright Blue #0165FC ΔE 0.059
- Medium Slate Blue #7B68EE ΔE 0.062
- Azul #1D5DEC ΔE 0.073
Use #4F70FE 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.