#4D8FD8
Closest named color: Dark Sky Blue (#448EE4). oklch(63.9% 0.129 252.5), rgb(77, 143, 216).
Aa
Black text reads best on this color (6.23:1).
About this color
#4D8FD8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.129 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.020 away. Black text reads best on it, at 6.23:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.23:1 |
| White text | 3.36:1 |
Values
| HEX | #4D8FD8 |
| RGB | rgb(77, 143, 216) |
| HSL | hsl(212, 64%, 57%) |
| OKLCH | oklch(63.9% 0.129 252.5) |
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 #4D8FD8 | 3.36:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #4D8FD8 | 6.23:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #4D8FD8 text on white | 3.36:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #4D8FD8 text on black | 6.23:1 | AA | Lc -40.8 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DBF0
oklch(88.4% 0.035 252.3)
-
Step 300
300
#A4C4E9
oklch(80.9% 0.063 252.3)
-
Step 400
400
#72A4DE
oklch(70.7% 0.101 252.8)
-
Step 500
500 (this color)
#4D8FD8
oklch(63.9% 0.129 252.5)
-
Step 600
600
#2A75C2
oklch(55.6% 0.14 252.4)
-
Step 700
700
#1C62A8
oklch(49.1% 0.131 252.4)
-
Step 800
800
#1A5088
oklch(42.7% 0.108 252.6)
-
Step 900
900
#1C436D
oklch(37.7% 0.085 252.5)
-
Step 950
950
#122740
oklch(26.9% 0.054 254)
#4D8FD8 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) | #6F93DB | 0.039 |
| Deuteranopia (no green cones) | #5C86D7 | 0.026 |
| Tritanopia (no blue cones) | #00A0A9 | 0.104 |
| Achromatopsia (no color) | #8C8C8C | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D8FD8
#4D8FD8
oklch(63.9% 0.129 252.5)
- #BB7D19
#BB7D19
oklch(63.9% 0.129 72.4)
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 #4D8FD8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.020
- Chefchaouen Blue #4895EF ΔE 0.035
- Soft Blue #6488EA ΔE 0.042
- Cornflower Blue #6495ED ΔE 0.043
- Faded Blue #658CBB ΔE 0.047
- Water Blue #0E87CC ΔE 0.048
- Cool Blue #4984B8 ΔE 0.053
- Steel Blue #4682B4 ΔE 0.061
Use #4D8FD8 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.