#4D88EC
Closest named color: Dark Sky Blue (#448EE4). oklch(63.6% 0.163 260.3), rgb(77, 136, 236).
Aa
Black text reads best on this color (6.04:1).
About this color
#4D88EC is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.163 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.022 away. Black text reads best on it, at 6.04:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.04:1 |
| White text | 3.47:1 |
Values
| HEX | #4D88EC |
| RGB | rgb(77, 136, 236) |
| HSL | hsl(218, 81%, 61%) |
| OKLCH | oklch(63.6% 0.163 260.3) |
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 #4D88EC | 3.47:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #4D88EC | 6.04:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #4D88EC text on white | 3.47:1 | AA large text | Lc 62.0 | Content text, not long reading |
| #4D88EC text on black | 6.04:1 | AA | Lc -39.7 | 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
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C9DAF7
oklch(88.5% 0.044 261.2)
-
Step 300
300
#A3C2F5
oklch(80.9% 0.08 260.3)
-
Step 400
400
#71A0F0
oklch(70.6% 0.128 260.6)
-
Step 500
500 (this color)
#4D88EC
oklch(63.6% 0.163 260.3)
-
Step 600
600
#2E6ED9
oklch(55.7% 0.177 260.2)
-
Step 700
700
#215BBC
oklch(49.1% 0.165 260.2)
-
Step 800
800
#1D4B98
oklch(42.7% 0.136 260.2)
-
Step 900
900
#1D3F79
oklch(37.6% 0.107 260.4)
-
Step 950
950
#122647
oklch(27.2% 0.067 259.9)
#4D88EC 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) | #5892F0 | 0.030 |
| Deuteranopia (no green cones) | #3E83EA | 0.020 |
| Tritanopia (no blue cones) | #009FAE | 0.132 |
| Achromatopsia (no color) | #8A8A8A | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D88EC
#4D88EC
oklch(63.6% 0.163 260.3)
- #B48000
#B48000
oklch(63.5% 0.132 80)
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 #4D88EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.022
- Soft Blue #6488EA ΔE 0.023
- Chefchaouen Blue #4895EF ΔE 0.034
- Dodger Blue #1E90FF ΔE 0.038
- Cornflower Blue #6495ED ΔE 0.044
- Cornflower #6A79F7 ΔE 0.050
- Clear Blue #247AFD ΔE 0.057
- Water Blue #0E87CC ΔE 0.063
Use #4D88EC 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.