#4294DC
Closest named color: Dark Sky Blue (#448EE4). oklch(64.9% 0.134 248.1), rgb(66, 148, 220).
Aa
Black text reads best on this color (6.50:1).
About this color
#4294DC is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.134 and its hue 248°. 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 6.50:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.50:1 |
| White text | 3.23:1 |
Values
| HEX | #4294DC |
| RGB | rgb(66, 148, 220) |
| HSL | hsl(208, 69%, 56%) |
| OKLCH | oklch(64.9% 0.134 248.1) |
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 #4294DC | 3.23:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #4294DC | 6.50:1 | AA | Lc 44.8 | Non-text elements, placeholder text |
| #4294DC text on white | 3.23:1 | AA large text | Lc 59.3 | Large or bold text, headings |
| #4294DC text on black | 6.50:1 | AA | Lc -42.5 | 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
#E0EBF6
oklch(93.5% 0.019 248)
-
Step 200
200
#C7DCF1
oklch(88.5% 0.037 248.2)
-
Step 300
300
#A0C5EA
oklch(80.9% 0.066 248.6)
-
Step 400
400
#69A6DF
oklch(70.7% 0.105 247.9)
-
Step 500
500 (this color)
#4294DC
oklch(64.9% 0.134 248.1)
-
Step 600
600
#0C77C3
oklch(55.5% 0.145 248)
-
Step 700
700
#0064A7
oklch(49.1% 0.132 247.9)
-
Step 800
800
#055289
oklch(42.8% 0.112 248)
-
Step 900
900
#12446D
oklch(37.6% 0.087 247.8)
-
Step 950
950
#0D2840
oklch(27% 0.056 248.3)
#4294DC 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) | #7497DF | 0.051 |
| Deuteranopia (no green cones) | #5E89DB | 0.035 |
| Tritanopia (no blue cones) | #00A5AE | 0.099 |
| Achromatopsia (no color) | #8F8F8F | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4294DC
#4294DC
oklch(64.9% 0.134 248.1)
- #C37D1B
#C37D1B
oklch(64.8% 0.134 68.4)
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 #4294DC, 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
- Chefchaouen Blue #4895EF ΔE 0.029
- Cornflower Blue #6495ED ΔE 0.042
- Soft Blue #6488EA ΔE 0.050
- Water Blue #0E87CC ΔE 0.052
- Faded Blue #658CBB ΔE 0.055
- Dodger Blue #1E90FF ΔE 0.058
- Cool Blue #4984B8 ΔE 0.062
Use #4294DC 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.