#4F75F0
Closest named color: Clear Blue (#247AFD). oklch(60.1% 0.19 267.5), rgb(79, 117, 240).
Aa
Black text reads best on this color (5.13:1).
About this color
#4F75F0 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.190 and its hue 267°. 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 5.13:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.190) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.13:1 |
| White text | 4.08:1 |
Values
| HEX | #4F75F0 |
| RGB | rgb(79, 117, 240) |
| HSL | hsl(226, 84%, 63%) |
| OKLCH | oklch(60.1% 0.19 267.5) |
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 #4F75F0 | 4.08:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #4F75F0 | 5.13:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #4F75F0 text on white | 4.08:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #4F75F0 text on black | 5.13:1 | AA | Lc -34.0 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200
#CAD9FC
oklch(88.5% 0.051 267)
-
Step 300
300
#A6BFFD
oklch(80.8% 0.092 267.4)
-
Step 400
400
#789BFD
oklch(70.7% 0.149 267.7)
-
Step 500
500 (this color)
#4F75F0
oklch(60.1% 0.19 267.5)
-
Step 600
600
#3F64EA
oklch(55.6% 0.207 267.4)
-
Step 700
700
#3252CB
oklch(49.1% 0.191 267.4)
-
Step 800
800
#2944A4
oklch(42.7% 0.158 267.3)
-
Step 900
900
#253B82
oklch(37.8% 0.123 267.3)
-
Step 950
950
#16234C
oklch(27% 0.078 267.7)
#4F75F0 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) | #2785F4 | 0.044 |
| Deuteranopia (no green cones) | #0077EE | 0.043 |
| Tritanopia (no blue cones) | #0092A7 | 0.156 |
| Achromatopsia (no color) | #7D7D7D | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F75F0
#4F75F0
oklch(60.1% 0.19 267.5)
- #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 #4F75F0, closest first.
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 0.036
- Royal Blue #4169E1 ΔE 0.041
- Neon Blue #4361EE ΔE 0.051
- Cerulean Blue #056EEE ΔE 0.052
- Soft Blue #6488EA ΔE 0.059
- Medium Slate Blue #7B68EE ΔE 0.060
- Bright Blue #0165FC ΔE 0.069
Use #4F75F0 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.