#4B7EFF
Closest named color: Clear Blue (#247AFD). oklch(62.7% 0.2 264.9), rgb(75, 126, 255).
Aa
Black text reads best on this color (5.72:1).
About this color
#4B7EFF is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.200 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.031 away. Black text reads best on it, at 5.72:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.200) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.72:1 |
| White text | 3.66:1 |
Values
| HEX | #4B7EFF |
| RGB | rgb(75, 126, 255) |
| HSL | hsl(223, 100%, 65%) |
| OKLCH | oklch(62.7% 0.2 264.9) |
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 #4B7EFF | 3.66:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #4B7EFF | 5.72:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #4B7EFF text on white | 3.66:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #4B7EFF text on black | 5.72:1 | AA | Lc -37.9 | 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
#E1EAFE
oklch(93.6% 0.029 266.4)
-
Step 200
200
#C8D9FE
oklch(88.5% 0.054 265.8)
-
Step 300
300
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#719CFF
oklch(70.6% 0.153 265)
-
Step 500
500 (this color)
#4B7EFF
oklch(62.7% 0.2 264.9)
-
Step 600
600
#3264F0
oklch(55.6% 0.218 265)
-
Step 700
700
#2652D1
oklch(49.2% 0.202 265)
-
Step 800
800
#2044A9
oklch(42.8% 0.168 265)
-
Step 900
900
#1E3B86
oklch(37.8% 0.131 264.8)
-
Step 950
950
#12234E
oklch(26.9% 0.082 265.1)
#4B7EFF 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) | #2C8EFF | 0.042 |
| Deuteranopia (no green cones) | #007EFC | 0.037 |
| Tritanopia (no blue cones) | #009DB3 | 0.160 |
| Achromatopsia (no color) | #858585 | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B7EFF
#4B7EFF
oklch(62.7% 0.2 264.9)
- #AC8100
#AC8100
oklch(62.8% 0.129 85)
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 #4B7EFF, closest first.
No curated palette has a color within ΔE 0.04 of #4B7EFF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.031
- Cornflower #6A79F7 ΔE 0.035
- Dodger Blue #1E90FF ΔE 0.048
- Soft Blue #6488EA ΔE 0.052
- Dark Sky Blue #448EE4 ΔE 0.062
- Cerulean Blue #056EEE ΔE 0.067
- Chefchaouen Blue #4895EF ΔE 0.067
- Royal Blue #4169E1 ΔE 0.069
Use #4B7EFF 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.