#3982D2
Closest named color: Water Blue (#0E87CC). oklch(59.9% 0.142 253), rgb(57, 130, 210).
Aa
Black text reads best on this color (5.29:1).
About this color
#3982D2 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.142 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.025 away. Black text reads best on it, at 5.29:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #3982D2 |
| RGB | rgb(57, 130, 210) |
| HSL | hsl(211, 63%, 52%) |
| OKLCH | oklch(59.9% 0.142 253) |
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 #3982D2 | 3.96:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #3982D2 | 5.29:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #3982D2 text on white | 3.96:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #3982D2 text on black | 5.29:1 | AA | Lc -35.0 | 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
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF3
oklch(88.5% 0.039 254.3)
-
Step 300
300
#A1C4ED
oklch(80.9% 0.069 252.7)
-
Step 400
400
#6DA4E4
oklch(70.7% 0.111 253)
-
Step 500
500 (this color)
#3982D2
oklch(59.9% 0.142 253)
-
Step 600
600
#1F74CA
oklch(55.6% 0.154 253)
-
Step 700
700
#0F61AF
oklch(49.1% 0.144 253)
-
Step 800
800
#124F8E
oklch(42.6% 0.12 253.5)
-
Step 900
900
#184371
oklch(37.8% 0.092 252.8)
-
Step 950
950
#0F2742
oklch(26.9% 0.059 253.1)
#3982D2 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) | #5D87D5 | 0.038 |
| Deuteranopia (no green cones) | #4579D0 | 0.024 |
| Tritanopia (no blue cones) | #0095A0 | 0.109 |
| Achromatopsia (no color) | #808080 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3982D2
#3982D2
oklch(59.9% 0.142 253)
- #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 #3982D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.025
- Windows Blue #3778BF ΔE 0.037
- Dark Sky Blue #448EE4 ΔE 0.042
- Cool Blue #4984B8 ΔE 0.043
- Steel Blue #4682B4 ΔE 0.047
- Soft Blue #6488EA ΔE 0.059
- Off Blue #5684AE ΔE 0.061
- Nice Blue #107AB0 ΔE 0.062
Use #3982D2 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.