#4C8CF2
Closest named color: Dark Sky Blue (#448EE4). oklch(64.8% 0.166 259.4), rgb(76, 140, 242).
Aa
Black text reads best on this color (6.34:1).
About this color
#4C8CF2 is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.166 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.024 away. Black text reads best on it, at 6.34:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.34:1 |
| White text | 3.31:1 |
Values
| HEX | #4C8CF2 |
| RGB | rgb(76, 140, 242) |
| HSL | hsl(217, 86%, 62%) |
| OKLCH | oklch(64.8% 0.166 259.4) |
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 #4C8CF2 | 3.31:1 | AA large text | Lc -65.6 | Content text, not long reading |
| Black text on #4C8CF2 | 6.34:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #4C8CF2 text on white | 3.31:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #4C8CF2 text on black | 6.34:1 | AA | Lc -41.5 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EBFA
oklch(93.7% 0.023 258.4)
-
Step 200
200
#C8DAF8
oklch(88.4% 0.046 260.7)
-
Step 300
300
#A2C2F6
oklch(80.9% 0.082 260)
-
Step 400
400
#6EA1F1
oklch(70.7% 0.13 259.1)
-
Step 500
500 (this color)
#4C8CF2
oklch(64.8% 0.166 259.4)
-
Step 600
600
#286EDB
oklch(55.7% 0.181 259.4)
-
Step 700
700
#1A5BBE
oklch(49.1% 0.169 259.3)
-
Step 800
800
#184B99
oklch(42.7% 0.139 259.2)
-
Step 900
900
#1A3F7A
oklch(37.6% 0.109 259.5)
-
Step 950
950
#102647
oklch(27% 0.068 258.4)
#4C8CF2 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) | #5B95F6 | 0.030 |
| Deuteranopia (no green cones) | #3F86F0 | 0.021 |
| Tritanopia (no blue cones) | #00A4B3 | 0.134 |
| Achromatopsia (no color) | #8D8D8D | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C8CF2
#4C8CF2
oklch(64.8% 0.166 259.4)
- #B98300
#B98300
oklch(64.7% 0.134 79.5)
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 #4C8CF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.024
- Chefchaouen Blue #4895EF ΔE 0.025
- Soft Blue #6488EA ΔE 0.025
- Dodger Blue #1E90FF ΔE 0.031
- Cornflower Blue #6495ED ΔE 0.037
- Cornflower #6A79F7 ΔE 0.054
- Clear Blue #247AFD ΔE 0.061
- Water Blue #0E87CC ΔE 0.071
Use #4C8CF2 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.