#4B7EFB
Closest named color: Clear Blue (#247AFD). oklch(62.4% 0.195 264.7), rgb(75, 126, 251).
Aa
Black text reads best on this color (5.67:1).
About this color
#4B7EFB is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.195 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 5.67:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.195) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.67:1 |
| White text | 3.69:1 |
Values
| HEX | #4B7EFB |
| RGB | rgb(75, 126, 251) |
| HSL | hsl(223, 96%, 64%) |
| OKLCH | oklch(62.4% 0.195 264.7) |
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 #4B7EFB | 3.69:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #4B7EFB | 5.67:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #4B7EFB text on white | 3.69:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #4B7EFB text on black | 5.67:1 | AA | Lc -37.5 | 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
#C8D9FD
oklch(88.4% 0.053 265.3)
-
Step 300
300
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#719DFF
oklch(70.8% 0.152 264.6)
-
Step 500
500 (this color)
#4B7EFB
oklch(62.4% 0.195 264.7)
-
Step 600
600
#3365ED
oklch(55.6% 0.212 264.8)
-
Step 700
700
#2653CE
oklch(49.1% 0.197 264.6)
-
Step 800
800
#2045A6
oklch(42.7% 0.162 264.5)
-
Step 900
900
#1F3B84
oklch(37.7% 0.128 265)
-
Step 950
950
#12234D
oklch(26.9% 0.081 264.9)
#4B7EFB 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) | #338DFF | 0.038 |
| Deuteranopia (no green cones) | #007DF8 | 0.038 |
| Tritanopia (no blue cones) | #009CB1 | 0.156 |
| Achromatopsia (no color) | #858585 | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B7EFB
#4B7EFB
oklch(62.4% 0.195 264.7)
- #AB8000
#AB8000
oklch(62.5% 0.128 84.8)
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 #4B7EFB, closest first.
No curated palette has a color within ΔE 0.04 of #4B7EFB.
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 0.034
- Dodger Blue #1E90FF ΔE 0.047
- Soft Blue #6488EA ΔE 0.048
- Dark Sky Blue #448EE4 ΔE 0.058
- Chefchaouen Blue #4895EF ΔE 0.065
- Cerulean Blue #056EEE ΔE 0.065
- Royal Blue #4169E1 ΔE 0.065
Use #4B7EFB 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.