#448DD3
Closest named color: Dark Sky Blue (#448EE4). oklch(62.9% 0.129 249.8), rgb(68, 141, 211).
Aa
Black text reads best on this color (5.99:1).
About this color
#448DD3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.129 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.026 away. Black text reads best on it, at 5.99:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.99:1 |
| White text | 3.50:1 |
Values
| HEX | #448DD3 |
| RGB | rgb(68, 141, 211) |
| HSL | hsl(209, 62%, 55%) |
| OKLCH | oklch(62.9% 0.129 249.8) |
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 #448DD3 | 3.50:1 | AA large text | Lc -67.8 | Content text, not long reading |
| Black text on #448DD3 | 5.99:1 | AA | Lc 41.8 | Non-text elements, placeholder text |
| #448DD3 text on white | 3.50:1 | AA large text | Lc 62.3 | Content text, not long reading |
| #448DD3 text on black | 5.99:1 | AA | Lc -39.4 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF0
oklch(88.6% 0.035 248.2)
-
Step 300
300
#A2C4E8
oklch(80.8% 0.063 250.1)
-
Step 400
400
#6EA5DD
oklch(70.6% 0.101 249.9)
-
Step 500
500 (this color)
#448DD3
oklch(62.9% 0.129 249.8)
-
Step 600
600
#2176C1
oklch(55.5% 0.14 250)
-
Step 700
700
#1163A7
oklch(49.1% 0.131 250)
-
Step 800
800
#135187
oklch(42.7% 0.108 249.9)
-
Step 900
900
#18446C
oklch(37.8% 0.084 249.3)
-
Step 950
950
#10283F
oklch(27% 0.053 249.5)
#448DD3 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) | #6E90D6 | 0.044 |
| Deuteranopia (no green cones) | #5A83D2 | 0.031 |
| Tritanopia (no blue cones) | #009EA6 | 0.100 |
| Achromatopsia (no color) | #898989 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #448DD3
#448DD3
oklch(62.9% 0.129 249.8)
- #BA7919
#BA7919
oklch(63% 0.129 69.9)
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 #448DD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.026
- Water Blue #0E87CC ΔE 0.036
- Cool Blue #4984B8 ΔE 0.043
- Chefchaouen Blue #4895EF ΔE 0.045
- Faded Blue #658CBB ΔE 0.046
- Steel Blue #4682B4 ΔE 0.051
- Soft Blue #6488EA ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.055
Use #448DD3 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.