#4881DB
Closest named color: Dark Sky Blue (#448EE4). oklch(60.8% 0.15 259.2), rgb(72, 129, 219).
Aa
Black text reads best on this color (5.43:1).
About this color
#4881DB is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.150 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.035 away. Black text reads best on it, at 5.43:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.43:1 |
| White text | 3.86:1 |
Values
| HEX | #4881DB |
| RGB | rgb(72, 129, 219) |
| HSL | hsl(217, 67%, 57%) |
| OKLCH | oklch(60.8% 0.15 259.2) |
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 #4881DB | 3.86:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #4881DB | 5.43:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #4881DB text on white | 3.86:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #4881DB text on black | 5.43:1 | AA | Lc -35.9 | 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
#E2EBF8
oklch(93.7% 0.02 257.5)
-
Step 200
200
#C9DAF5
oklch(88.4% 0.042 259.6)
-
Step 300
300
#A5C2F0
oklch(80.9% 0.073 259.5)
-
Step 400
400
#74A1E9
oklch(70.6% 0.117 259.5)
-
Step 500
500 (this color)
#4881DB
oklch(60.8% 0.15 259.2)
-
Step 600
600
#3270D1
oklch(55.7% 0.163 259.2)
-
Step 700
700
#245DB5
oklch(49.1% 0.152 259.1)
-
Step 800
800
#204C92
oklch(42.6% 0.125 259.4)
-
Step 900
900
#1F4075
oklch(37.7% 0.099 259.5)
-
Step 950
950
#132644
oklch(27% 0.061 259.2)
#4881DB 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) | #5789DF | 0.028 |
| Deuteranopia (no green cones) | #407BD9 | 0.019 |
| Tritanopia (no blue cones) | #0096A3 | 0.122 |
| Achromatopsia (no color) | #828282 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4881DB
#4881DB
oklch(60.8% 0.15 259.2)
- #AB7800
#AB7800
oklch(60.9% 0.127 78.9)
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 #4881DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.035
- Soft Blue #6488EA ΔE 0.043
- Water Blue #0E87CC ΔE 0.044
- Windows Blue #3778BF ΔE 0.051
- Cool Blue #4984B8 ΔE 0.057
- Chefchaouen Blue #4895EF ΔE 0.057
- Cornflower #6A79F7 ΔE 0.061
- Steel Blue #4682B4 ΔE 0.061
Use #4881DB 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.