#4E87D8
Closest named color: Dark Sky Blue (#448EE4). oklch(62.2% 0.137 257.4), rgb(78, 135, 216).
Aa
Black text reads best on this color (5.78:1).
About this color
#4E87D8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.137 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.023 away. Black text reads best on it, at 5.78:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.78:1 |
| White text | 3.63:1 |
Values
| HEX | #4E87D8 |
| RGB | rgb(78, 135, 216) |
| HSL | hsl(215, 64%, 58%) |
| OKLCH | oklch(62.2% 0.137 257.4) |
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 #4E87D8 | 3.63:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #4E87D8 | 5.78:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #4E87D8 text on white | 3.63:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #4E87D8 text on black | 5.78:1 | AA | Lc -38.0 | 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
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CADBF2
oklch(88.6% 0.037 256)
-
Step 300
300
#A6C3EC
oklch(81% 0.066 257)
-
Step 400
400
#75A2E3
oklch(70.6% 0.108 257.5)
-
Step 500
500 (this color)
#4E87D8
oklch(62.2% 0.137 257.4)
-
Step 600
600
#3472C9
oklch(55.7% 0.149 257.5)
-
Step 700
700
#265FAD
oklch(49.1% 0.138 257.3)
-
Step 800
800
#214E8C
oklch(42.7% 0.114 257.2)
-
Step 900
900
#204170
oklch(37.6% 0.09 257.5)
-
Step 950
950
#142742
oklch(27.2% 0.056 257.3)
#4E87D8 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) | #638DDB | 0.029 |
| Deuteranopia (no green cones) | #5080D6 | 0.018 |
| Tritanopia (no blue cones) | #009AA5 | 0.113 |
| Achromatopsia (no color) | #868686 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E87D8
#4E87D8
oklch(62.2% 0.137 257.4)
- #B27B00
#B27B00
oklch(62.3% 0.13 77.4)
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 #4E87D8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.023
- Soft Blue #6488EA ΔE 0.037
- Water Blue #0E87CC ΔE 0.043
- Chefchaouen Blue #4895EF ΔE 0.046
- Cool Blue #4984B8 ΔE 0.049
- Cornflower Blue #6495ED ΔE 0.053
- Faded Blue #658CBB ΔE 0.055
- Steel Blue #4682B4 ΔE 0.056
Use #4E87D8 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.