#3982D4
Closest named color: Water Blue (#0E87CC). oklch(60.1% 0.145 253.6), rgb(57, 130, 212).
Aa
Black text reads best on this color (5.31:1).
About this color
#3982D4 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.145 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.027 away. Black text reads best on it, at 5.31:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.31:1 |
| White text | 3.94:1 |
Values
| HEX | #3982D4 |
| RGB | rgb(57, 130, 212) |
| HSL | hsl(212, 64%, 53%) |
| OKLCH | oklch(60.1% 0.145 253.6) |
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 #3982D4 | 3.94:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #3982D4 | 5.31:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #3982D4 text on white | 3.94:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #3982D4 text on black | 5.31:1 | AA | Lc -35.1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C8DBF3
oklch(88.5% 0.039 254.3)
-
Step 300
300
#A1C4EE
oklch(80.9% 0.071 253.2)
-
Step 400
400
#6DA4E6
oklch(70.8% 0.113 253.7)
-
Step 500
500 (this color)
#3982D4
oklch(60.1% 0.145 253.6)
-
Step 600
600
#1E74CC
oklch(55.7% 0.157 253.4)
-
Step 700
700
#0E60B0
oklch(49% 0.146 253.6)
-
Step 800
800
#114F8F
oklch(42.7% 0.122 253.6)
-
Step 900
900
#174272
oklch(37.6% 0.095 253.7)
-
Step 950
950
#0F2743
oklch(27% 0.06 253.9)
#3982D4 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) | #5C88D7 | 0.039 |
| Deuteranopia (no green cones) | #4479D2 | 0.024 |
| Tritanopia (no blue cones) | #0095A1 | 0.110 |
| Achromatopsia (no color) | #808080 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3982D4
#3982D4
oklch(60.1% 0.145 253.6)
- #AD7200
#AD7200
oklch(59.9% 0.127 73.3)
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 #3982D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.027
- Windows Blue #3778BF ΔE 0.039
- Dark Sky Blue #448EE4 ΔE 0.040
- Cool Blue #4984B8 ΔE 0.046
- Steel Blue #4682B4 ΔE 0.050
- Soft Blue #6488EA ΔE 0.057
- Chefchaouen Blue #4895EF ΔE 0.064
- Off Blue #5684AE ΔE 0.064
Use #3982D4 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.