#4374FE
Closest named color: Clear Blue (#247AFD). oklch(60.4% 0.212 265.6), rgb(67, 116, 254).
Aa
Black text reads best on this color (5.16:1).
About this color
#4374FE is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.212 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.023 away. Black text reads best on it, at 5.16:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.212) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.16:1 |
| White text | 4.06:1 |
Values
| HEX | #4374FE |
| RGB | rgb(67, 116, 254) |
| HSL | hsl(224, 99%, 63%) |
| OKLCH | oklch(60.4% 0.212 265.6) |
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 #4374FE | 4.06:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #4374FE | 5.16:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #4374FE text on white | 4.06:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #4374FE text on black | 5.16:1 | AA | Lc -34.3 | 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
#E0EAFF
oklch(93.6% 0.03 265.3)
-
Step 200
200
#C8D9FF
oklch(88.5% 0.056 266.2)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400
#739CFF
oklch(70.7% 0.152 265.7)
-
Step 500
500 (this color)
#4374FE
oklch(60.4% 0.212 265.6)
-
Step 600
600
#3161F7
oklch(55.6% 0.23 265.5)
-
Step 700
700
#254ED8
oklch(49.1% 0.216 265.6)
-
Step 800
800
#1F42AE
oklch(42.8% 0.177 265.4)
-
Step 900
900
#1D398A
oklch(37.7% 0.139 265.5)
-
Step 950
950
#112251
oklch(26.9% 0.089 265.7)
#4374FE 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) | #0087FF | 0.049 |
| Deuteranopia (no green cones) | #0076FB | 0.032 |
| Tritanopia (no blue cones) | #0096AE | 0.168 |
| Achromatopsia (no color) | #7E7E7E | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4374FE
#4374FE
oklch(60.4% 0.212 265.6)
- #A27A00
#A27A00
oklch(60.2% 0.123 85.5)
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 #4374FE, closest first.
No curated palette has a color within ΔE 0.04 of #4374FE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.023
- Cerulean Blue #056EEE ΔE 0.047
- Cornflower #6A79F7 ΔE 0.047
- Neon Blue #4361EE ΔE 0.050
- Royal Blue #4169E1 ΔE 0.050
- Bright Blue #0165FC ΔE 0.055
- Dodger Blue #1E90FF ΔE 0.068
- Azul #1D5DEC ΔE 0.072
Use #4374FE 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.