#4A87EC
Closest named color: Dark Sky Blue (#448EE4). oklch(63.3% 0.165 259.9), rgb(74, 135, 236).
Aa
Black text reads best on this color (5.96:1).
About this color
#4A87EC is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.165 and its hue 260°. 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 5.96:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.96:1 |
| White text | 3.51:1 |
Values
| HEX | #4A87EC |
| RGB | rgb(74, 135, 236) |
| HSL | hsl(217, 81%, 61%) |
| OKLCH | oklch(63.3% 0.165 259.9) |
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 #4A87EC | 3.51:1 | AA large text | Lc -67.9 | Content text, not long reading |
| Black text on #4A87EC | 5.96:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #4A87EC text on white | 3.51:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #4A87EC text on black | 5.96:1 | AA | Lc -39.3 | 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
#C8DAF7
oklch(88.4% 0.045 259.9)
-
Step 300
300
#A2C2F5
oklch(80.9% 0.081 259.6)
-
Step 400
400
#70A1F0
oklch(70.8% 0.128 259.6)
-
Step 500
500 (this color)
#4A87EC
oklch(63.3% 0.165 259.9)
-
Step 600
600
#2B6EDA
oklch(55.7% 0.179 259.7)
-
Step 700
700
#1E5BBD
oklch(49.1% 0.167 259.8)
-
Step 800
800
#1B4B99
oklch(42.7% 0.138 259.8)
-
Step 900
900
#1C3F7A
oklch(37.7% 0.109 260.2)
-
Step 950
950
#112647
oklch(27.1% 0.067 259.1)
#4A87EC 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) | #5691F0 | 0.030 |
| Deuteranopia (no green cones) | #3A82EA | 0.020 |
| Tritanopia (no blue cones) | #009EAE | 0.131 |
| Achromatopsia (no color) | #898989 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A87EC
#4A87EC
oklch(63.3% 0.165 259.9)
- #B37F00
#B37F00
oklch(63.2% 0.131 79.8)
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 #4A87EC, 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
- Soft Blue #6488EA ΔE 0.027
- Chefchaouen Blue #4895EF ΔE 0.037
- Dodger Blue #1E90FF ΔE 0.038
- Cornflower Blue #6495ED ΔE 0.048
- Cornflower #6A79F7 ΔE 0.050
- Clear Blue #247AFD ΔE 0.054
- Water Blue #0E87CC ΔE 0.062
Use #4A87EC 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.