#4D8BF1
Closest named color: Dark Sky Blue (#448EE4). oklch(64.5% 0.166 259.8), rgb(77, 139, 241).
Aa
Black text reads best on this color (6.27:1).
About this color
#4D8BF1 is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.166 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 6.27:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.27:1 |
| White text | 3.34:1 |
Values
| HEX | #4D8BF1 |
| RGB | rgb(77, 139, 241) |
| HSL | hsl(217, 85%, 62%) |
| OKLCH | oklch(64.5% 0.166 259.8) |
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 #4D8BF1 | 3.34:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #4D8BF1 | 6.27:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #4D8BF1 text on white | 3.34:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #4D8BF1 text on black | 6.27:1 | AA | Lc -41.2 | 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
#6FA1F1
oklch(70.8% 0.13 259.5)
-
Step 500
500 (this color)
#4D8BF1
oklch(64.5% 0.166 259.8)
-
Step 600
600
#2A6EDA
oklch(55.6% 0.179 259.6)
-
Step 700
700
#1D5BBE
oklch(49.2% 0.168 259.8)
-
Step 800
800
#1A4B99
oklch(42.7% 0.138 259.6)
-
Step 900
900
#1C3F7A
oklch(37.7% 0.109 260.2)
-
Step 950
950
#112647
oklch(27.1% 0.067 259.1)
#4D8BF1 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) | #5A95F5 | 0.031 |
| Deuteranopia (no green cones) | #3F85EF | 0.021 |
| Tritanopia (no blue cones) | #00A3B2 | 0.134 |
| Achromatopsia (no color) | #8C8C8C | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D8BF1
#4D8BF1
oklch(64.5% 0.166 259.8)
- #B88300
#B88300
oklch(64.6% 0.134 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 #4D8BF1, 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 0.024
- Chefchaouen Blue #4895EF ΔE 0.027
- Dodger Blue #1E90FF ΔE 0.032
- Cornflower Blue #6495ED ΔE 0.038
- Cornflower #6A79F7 ΔE 0.053
- Clear Blue #247AFD ΔE 0.060
- Water Blue #0E87CC ΔE 0.070
Use #4D8BF1 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.