#407CFF
Closest named color: Clear Blue (#247AFD). oklch(61.9% 0.205 263.2), rgb(64, 124, 255).
Aa
Black text reads best on this color (5.54:1).
About this color
#407CFF is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.205 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.020 away. Black text reads best on it, at 5.54:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.205) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.54:1 |
| White text | 3.78:1 |
Values
| HEX | #407CFF |
| RGB | rgb(64, 124, 255) |
| HSL | hsl(221, 100%, 63%) |
| OKLCH | oklch(61.9% 0.205 263.2) |
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 #407CFF | 3.78:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #407CFF | 5.54:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #407CFF text on white | 3.78:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #407CFF text on black | 5.54:1 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFE
oklch(93.6% 0.029 264.4)
-
Step 200
200
#C6DAFF
oklch(88.5% 0.056 262.8)
-
Step 300
300
#A0C1FF
oklch(80.9% 0.095 262.7)
-
Step 400
400
#6D9DFF
oklch(70.6% 0.153 263.3)
-
Step 500
500 (this color)
#407CFF
oklch(61.9% 0.205 263.2)
-
Step 600
600
#2665F3
oklch(55.7% 0.223 263.1)
-
Step 700
700
#1A52D4
oklch(49.1% 0.208 263.2)
-
Step 800
800
#1744AB
oklch(42.6% 0.172 263.2)
-
Step 900
900
#193B87
oklch(37.7% 0.134 263.3)
-
Step 950
950
#0F234F
oklch(26.9% 0.085 263.4)
#407CFF 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) | #218CFF | 0.040 |
| Deuteranopia (no green cones) | #007BFC | 0.029 |
| Tritanopia (no blue cones) | #009CB2 | 0.161 |
| Achromatopsia (no color) | #838383 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #407CFF
#407CFF
oklch(61.9% 0.205 263.2)
- #AA7D00
#AA7D00
oklch(61.8% 0.127 83.2)
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 #407CFF, closest first.
No curated palette has a color within ΔE 0.04 of #407CFF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.020
- Cornflower #6A79F7 ΔE 0.044
- Dodger Blue #1E90FF ΔE 0.050
- Cerulean Blue #056EEE ΔE 0.056
- Soft Blue #6488EA ΔE 0.061
- Royal Blue #4169E1 ΔE 0.062
- Dark Sky Blue #448EE4 ΔE 0.066
- Neon Blue #4361EE ΔE 0.067
Use #407CFF 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.