#4C8DDD
Closest named color: Dark Sky Blue (#448EE4). oklch(63.7% 0.138 254.8), rgb(76, 141, 221).
Aa
Black text reads best on this color (6.16:1).
About this color
#4C8DDD is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.138 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.011 away. Black text reads best on it, at 6.16:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #4C8DDD |
| RGB | rgb(76, 141, 221) |
| HSL | hsl(213, 68%, 58%) |
| OKLCH | oklch(63.7% 0.138 254.8) |
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 #4C8DDD | 3.40:1 | AA large text | Lc -66.8 | Content text, not long reading |
| Black text on #4C8DDD | 6.16:1 | AA | Lc 42.7 | Non-text elements, placeholder text |
| #4C8DDD text on white | 3.40:1 | AA large text | Lc 61.3 | Content text, not long reading |
| #4C8DDD text on black | 6.16:1 | AA | Lc -40.4 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C9DBF2
oklch(88.5% 0.037 254.6)
-
Step 300
300
#A3C3EC
oklch(80.8% 0.068 254.8)
-
Step 400
400
#71A3E3
oklch(70.6% 0.109 255)
-
Step 500
500 (this color)
#4C8DDD
oklch(63.7% 0.138 254.8)
-
Step 600
600
#2A73C8
oklch(55.5% 0.15 254.8)
-
Step 700
700
#1C60AD
oklch(49% 0.14 254.8)
-
Step 800
800
#1A4F8C
oklch(42.7% 0.115 254.6)
-
Step 900
900
#1C4270
oklch(37.7% 0.09 254.8)
-
Step 950
950
#112742
oklch(27% 0.058 254.7)
#4C8DDD 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) | #6A92E0 | 0.035 |
| Deuteranopia (no green cones) | #5585DB | 0.021 |
| Tritanopia (no blue cones) | #009FAA | 0.110 |
| Achromatopsia (no color) | #8B8B8B | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C8DDD
#4C8DDD
oklch(63.7% 0.138 254.8)
- #BA7D00
#BA7D00
oklch(63.7% 0.134 74.8)
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 #4C8DDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.011
- Chefchaouen Blue #4895EF ΔE 0.031
- Soft Blue #6488EA ΔE 0.035
- Cornflower Blue #6495ED ΔE 0.041
- Water Blue #0E87CC ΔE 0.049
- Dodger Blue #1E90FF ΔE 0.054
- Faded Blue #658CBB ΔE 0.055
- Cool Blue #4984B8 ΔE 0.058
Use #4C8DDD 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.