#4C72FB
Closest named color: Clear Blue (#247AFD). oklch(60.2% 0.208 267.9), rgb(76, 114, 251).
Aa
Black text reads best on this color (5.10:1).
About this color
#4C72FB is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.208 and its hue 268°. 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 5.10:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.208) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #4C72FB |
| RGB | rgb(76, 114, 251) |
| HSL | hsl(227, 96%, 64%) |
| OKLCH | oklch(60.2% 0.208 267.9) |
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 #4C72FB | 4.11:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #4C72FB | 5.10:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #4C72FB text on white | 4.11:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #4C72FB text on black | 5.10:1 | AA | Lc -33.9 | 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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFE
oklch(93.6% 0.029 266.4)
-
Step 200
200
#C9D9FF
oklch(88.6% 0.055 267.2)
-
Step 300
300
#A6BFFF
oklch(80.9% 0.095 267.8)
-
Step 400
400
#789BFF
oklch(70.8% 0.152 267.9)
-
Step 500
500 (this color)
#4C72FB
oklch(60.2% 0.208 267.9)
-
Step 600
600
#3C5FF5
oklch(55.5% 0.227 267.9)
-
Step 700
700
#304DD6
oklch(49.1% 0.212 268)
-
Step 800
800
#2741AC
oklch(42.7% 0.173 267.6)
-
Step 900
900
#233988
oklch(37.8% 0.135 267.6)
-
Step 950
950
#142250
oklch(27% 0.086 267.5)
#4C72FB 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 | 0.053 |
| Deuteranopia (no green cones) | #0075F8 | 0.041 |
| Tritanopia (no blue cones) | #0093AB | 0.168 |
| Achromatopsia (no color) | #7D7D7D | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C72FB
#4C72FB
oklch(60.2% 0.208 267.9)
- #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 #4C72FB, closest first.
No curated palette has a color within ΔE 0.04 of #4C72FB.
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 0.042
- Neon Blue #4361EE ΔE 0.046
- Royal Blue #4169E1 ΔE 0.047
- Cerulean Blue #056EEE ΔE 0.050
- Bright Blue #0165FC ΔE 0.059
- Medium Slate Blue #7B68EE ΔE 0.063
- Soft Blue #6488EA ΔE 0.072
Use #4C72FB 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.