#4B7EF2
Closest named color: Clear Blue (#247AFD). oklch(61.8% 0.183 264), rgb(75, 126, 242).
Aa
Black text reads best on this color (5.56:1).
About this color
#4B7EF2 is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.183 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.035 away. Black text reads best on it, at 5.56:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.56:1 |
| White text | 3.77:1 |
Values
| HEX | #4B7EF2 |
| RGB | rgb(75, 126, 242) |
| HSL | hsl(222, 87%, 62%) |
| OKLCH | oklch(61.8% 0.183 264) |
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 #4B7EF2 | 3.77:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #4B7EF2 | 5.56:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #4B7EF2 text on white | 3.77:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #4B7EF2 text on black | 5.56:1 | AA | Lc -36.8 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C9DAFB
oklch(88.6% 0.049 263.7)
-
Step 300
300
#A3C1FB
oklch(81% 0.089 263.3)
-
Step 400
400
#729EF9
oklch(70.7% 0.142 263.6)
-
Step 500
500 (this color)
#4B7EF2
oklch(61.8% 0.183 264)
-
Step 600
600
#3468E5
oklch(55.6% 0.198 264)
-
Step 700
700
#2756C7
oklch(49.1% 0.184 263.8)
-
Step 800
800
#2147A1
oklch(42.7% 0.153 263.8)
-
Step 900
900
#203D80
oklch(37.8% 0.119 264)
-
Step 950
950
#13244B
oklch(27% 0.076 264.2)
#4B7EF2 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) | #3E8BF6 | 0.033 |
| Deuteranopia (no green cones) | #0A7CF0 | 0.038 |
| Tritanopia (no blue cones) | #0099AC | 0.148 |
| Achromatopsia (no color) | #838383 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B7EF2
#4B7EF2
oklch(61.8% 0.183 264)
- #A97E00
#A97E00
oklch(61.9% 0.127 84.5)
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 #4B7EF2, closest first.
No curated palette has a color within ΔE 0.04 of #4B7EF2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.035
- Cornflower #6A79F7 ΔE 0.036
- Soft Blue #6488EA ΔE 0.042
- Dodger Blue #1E90FF ΔE 0.049
- Dark Sky Blue #448EE4 ΔE 0.050
- Royal Blue #4169E1 ΔE 0.059
- Chefchaouen Blue #4895EF ΔE 0.061
- Cerulean Blue #056EEE ΔE 0.062
Use #4B7EF2 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.