#4380F2
Closest named color: Clear Blue (#247AFD). oklch(61.9% 0.183 261.5), rgb(67, 128, 242).
Aa
Black text reads best on this color (5.60:1).
About this color
#4380F2 is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.183 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.032 away. Black text reads best on it, at 5.60:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #4380F2 |
| RGB | rgb(67, 128, 242) |
| HSL | hsl(219, 87%, 61%) |
| OKLCH | oklch(61.9% 0.183 261.5) |
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 #4380F2 | 3.74:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #4380F2 | 5.60:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #4380F2 text on white | 3.74:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #4380F2 text on black | 5.60:1 | AA | Lc -37.1 | 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
#E0EAFC
oklch(93.5% 0.027 262.3)
-
Step 200
200
#C7DAFB
oklch(88.5% 0.05 261.5)
-
Step 300
300
#A1C1FB
oklch(80.8% 0.09 262.1)
-
Step 400
400
#6D9FF9
oklch(70.7% 0.143 261.4)
-
Step 500
500 (this color)
#4380F2
oklch(61.9% 0.183 261.5)
-
Step 600
600
#296AE5
oklch(55.6% 0.198 261.6)
-
Step 700
700
#1C57C7
oklch(49% 0.185 261.7)
-
Step 800
800
#1948A1
oklch(42.7% 0.153 261.6)
-
Step 900
900
#1A3E80
oklch(37.8% 0.119 261.3)
-
Step 950
950
#10254B
oklch(27.1% 0.076 261.2)
#4380F2 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) | #428CF6 | 0.031 |
| Deuteranopia (no green cones) | #0D7CF0 | 0.032 |
| Tritanopia (no blue cones) | #009BAD | 0.145 |
| Achromatopsia (no color) | #848484 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4380F2
#4380F2
oklch(61.9% 0.183 261.5)
- #AC7C00
#AC7C00
oklch(61.8% 0.128 81.3)
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 #4380F2, closest first.
No curated palette has a color within ΔE 0.04 of #4380F2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.032
- Cornflower #6A79F7 ΔE 0.043
- Dodger Blue #1E90FF ΔE 0.043
- Soft Blue #6488EA ΔE 0.044
- Dark Sky Blue #448EE4 ΔE 0.046
- Chefchaouen Blue #4895EF ΔE 0.057
- Cerulean Blue #056EEE ΔE 0.061
- Royal Blue #4169E1 ΔE 0.062
Use #4380F2 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.