#3992D2
Closest named color: Dark Sky Blue (#448EE4). oklch(63.6% 0.128 243.8), rgb(57, 146, 210).
Aa
Black text reads best on this color (6.21:1).
About this color
#3992D2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.128 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.033 away. Black text reads best on it, at 6.21:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.21:1 |
| White text | 3.37:1 |
Values
| HEX | #3992D2 |
| RGB | rgb(57, 146, 210) |
| HSL | hsl(205, 63%, 52%) |
| OKLCH | oklch(63.6% 0.128 243.8) |
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 #3992D2 | 3.37:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #3992D2 | 6.21:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #3992D2 text on white | 3.37:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #3992D2 text on black | 6.21:1 | AA | Lc -40.8 | 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
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C7DCEF
oklch(88.5% 0.035 245.5)
-
Step 300
300
#9FC6E6
oklch(80.9% 0.062 243.3)
-
Step 400
400
#67A7DA
oklch(70.6% 0.1 243.9)
-
Step 500
500 (this color)
#3992D2
oklch(63.6% 0.128 243.8)
-
Step 600
600
#0079BC
oklch(55.5% 0.136 243.9)
-
Step 700
700
#00669F
oklch(49.1% 0.12 243.6)
-
Step 800
800
#005383
oklch(42.6% 0.105 243.8)
-
Step 900
900
#0F456A
oklch(37.6% 0.083 244.1)
-
Step 950
950
#0C293E
oklch(27.1% 0.052 243.5)
#3992D2 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) | #7594D5 | 0.058 |
| Deuteranopia (no green cones) | #5F85D1 | 0.044 |
| Tritanopia (no blue cones) | #00A2A9 | 0.090 |
| Achromatopsia (no color) | #8C8C8C | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3992D2
#3992D2
oklch(63.6% 0.128 243.8)
- #C07828
#C07828
oklch(63.6% 0.128 63.8)
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 #3992D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.033
- Water Blue #0E87CC ΔE 0.040
- Chefchaouen Blue #4895EF ΔE 0.046
- Faded Blue #658CBB ΔE 0.048
- Cool Blue #4984B8 ΔE 0.048
- Steel Blue #4682B4 ΔE 0.056
- Blue NCS #118AB2 ΔE 0.057
- Cornflower Blue #6495ED ΔE 0.058
Use #3992D2 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.