#3883D3
Closest named color: Water Blue (#0E87CC). oklch(60.2% 0.143 252.6), rgb(56, 131, 211).
Aa
Black text reads best on this color (5.35:1).
About this color
#3883D3 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.143 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 5.35:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.35:1 |
| White text | 3.92:1 |
Values
| HEX | #3883D3 |
| RGB | rgb(56, 131, 211) |
| HSL | hsl(211, 64%, 52%) |
| OKLCH | oklch(60.2% 0.143 252.6) |
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 #3883D3 | 3.92:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #3883D3 | 5.35:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #3883D3 text on white | 3.92:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #3883D3 text on black | 5.35:1 | AA | Lc -35.4 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C7DBF3
oklch(88.4% 0.04 253)
-
Step 300
300
#A1C4ED
oklch(80.9% 0.069 252.7)
-
Step 400
400
#6CA4E4
oklch(70.6% 0.111 252.6)
-
Step 500
500 (this color)
#3883D3
oklch(60.2% 0.143 252.6)
-
Step 600
600
#1B74CA
oklch(55.5% 0.155 252.5)
-
Step 700
700
#0A61AF
oklch(49.1% 0.144 252.6)
-
Step 800
800
#0F508E
oklch(42.8% 0.119 252.4)
-
Step 900
900
#164371
oklch(37.8% 0.093 252.1)
-
Step 950
950
#0F2742
oklch(26.9% 0.059 253.1)
#3883D3 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) | #5E88D6 | 0.040 |
| Deuteranopia (no green cones) | #467AD1 | 0.025 |
| Tritanopia (no blue cones) | #0096A1 | 0.108 |
| Achromatopsia (no color) | #818181 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3883D3
#3883D3
oklch(60.2% 0.143 252.6)
- #AF7200
#AF7200
oklch(60.2% 0.129 72.3)
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 #3883D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.025
- Dark Sky Blue #448EE4 ΔE 0.039
- Windows Blue #3778BF ΔE 0.040
- Cool Blue #4984B8 ΔE 0.044
- Steel Blue #4682B4 ΔE 0.048
- Soft Blue #6488EA ΔE 0.058
- Off Blue #5684AE ΔE 0.062
- Chefchaouen Blue #4895EF ΔE 0.063
Use #3883D3 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.