#4D7FDD
Closest named color: Dark Sky Blue (#448EE4). oklch(60.8% 0.153 261.8), rgb(77, 127, 221).
Aa
Black text reads best on this color (5.39:1).
About this color
#4D7FDD is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.153 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.039 away. Black text reads best on it, at 5.39:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #4D7FDD |
| RGB | rgb(77, 127, 221) |
| HSL | hsl(219, 68%, 58%) |
| OKLCH | oklch(60.8% 0.153 261.8) |
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 #4D7FDD | 3.89:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #4D7FDD | 5.39:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #4D7FDD text on white | 3.89:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #4D7FDD text on black | 5.39:1 | AA | Lc -35.6 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CADAF5
oklch(88.5% 0.041 260.9)
-
Step 300
300
#A6C1F2
oklch(80.8% 0.076 262.2)
-
Step 400
400
#77A0EB
oklch(70.7% 0.119 261.9)
-
Step 500
500 (this color)
#4D7FDD
oklch(60.8% 0.153 261.8)
-
Step 600
600
#396ED3
oklch(55.7% 0.166 261.8)
-
Step 700
700
#2B5BB7
oklch(49.1% 0.155 261.8)
-
Step 800
800
#254B94
oklch(42.7% 0.128 261.9)
-
Step 900
900
#223F76
oklch(37.6% 0.1 261.9)
-
Step 950
950
#152545
oklch(26.9% 0.064 262.8)
#4D7FDD 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) | #5388E1 | 0.026 |
| Deuteranopia (no green cones) | #3C7BDB | 0.020 |
| Tritanopia (no blue cones) | #0095A3 | 0.127 |
| Achromatopsia (no color) | #818181 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D7FDD
#4D7FDD
oklch(60.8% 0.153 261.8)
- #A87900
#A87900
oklch(60.7% 0.125 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 #4D7FDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.039
- Soft Blue #6488EA ΔE 0.041
- Water Blue #0E87CC ΔE 0.051
- Windows Blue #3778BF ΔE 0.054
- Cornflower #6A79F7 ΔE 0.055
- Clear Blue #247AFD ΔE 0.059
- Chefchaouen Blue #4895EF ΔE 0.060
- Royal Blue #4169E1 ΔE 0.061
Use #4D7FDD 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.